Merge branch 'master' of https://github.com/yacy/yacy_search_server.git

23 files changed, 1523 insertions, 127 deletions

diff --git a/defaults/yacy.init b/defaults/yacy.init
index a08516364..9afd2c82c 100644
--- a/defaults/yacy.init
+++ b/defaults/yacy.init
@@ -1437,14 +1437,23 @@ decoration.grafics.linkstructure = true
 decoration.hostanalysis = false

 decoration.simpleheadernavbar = navbar-default

 

-# ai settings

-ai.production_models = []

-ai.system-prompt = You are a smart and helpful chatbot. If possible, use friendly emojies.

-ai.llm-system-prefix = \n\nYou may receive additional expert knowledge in the user prompt after a 'Additional Information' headline to enhance your knowledge. Use it only if applicable.

-ai.llm-user-prefix = \n\nAdditional Information:\n\nbelow you find a collection of texts that might be useful to generate a response. Do not discuss these documents, just use them to answer the question above.\n\n

-ai.llm-query-generator-prefix = Make a list of search words with low document frequency for the following prompt; use a JSON Array: 

-ai.shield.allow-nonlocalhost = false

-ai.shield.show-chat-link = false

+# ai settings
+ai.production_models = []
+ai.system-prompt = You are a smart and helpful chatbot. If possible, use friendly emojies.
+ai.llm-system-prefix = \n\nYou may receive additional expert knowledge in the user prompt after a 'Additional Information' headline to enhance your knowledge. Use it only if applicable.
+ai.llm-user-prefix = \n\nAdditional Information:\n\nbelow you find a collection of texts that might be useful to generate a response. Do not discuss these documents, just use them to answer the question above.\n\n
+ai.llm-query-generator-prefix = Make a list of search words with low document frequency for the following prompt; use a JSON Array: 
+ai.logreport.enabled = true
+ai.logreport.dir = DATA/REPORTS/log
+ai.logreport.initial_delay_minutes = 5
+ai.logreport.period_minutes = 60
+ai.logreport.max_bucket_lines = 100000
+ai.logreport.max_tokens = 4096
+ai.logreport.daily_compression.enabled = true
+ai.logreport.daily_compression.delete_hourly = false
+ai.logreport.feed.max_entries = 100
+ai.shield.allow-nonlocalhost = false
+ai.shield.show-chat-link = false
 ai.shield.rate.per-minute = 4

 ai.shield.rate.per-hour = 60

 ai.shield.rate.per-day = 120

diff --git a/defaults/yacy.logging b/defaults/yacy.logging
index 58703ebca..bfed68cae 100644
--- a/defaults/yacy.logging
+++ b/defaults/yacy.logging
@@ -61,7 +61,7 @@ net.yacy.crawler.robots.RobotsTxt.level = SEVERE
 # Properties for the GuiHandler
 net.yacy.kelondro.logging.GuiHandler.level = ALL
 net.yacy.kelondro.logging.GuiHandler.formatter=net.yacy.kelondro.logging.SimpleLogFormatter
-net.yacy.kelondro.logging.GuiHandler.size = 10000
+net.yacy.kelondro.logging.GuiHandler.size = 100000
 
 # Properties for the ConsoleOutErrHandler
 net.yacy.kelondro.logging.ConsoleOutErrHandler.level = ALL
diff --git a/htroot/AILab.html b/htroot/AILab.html
index 1b52b4817..78e01a404 100644
--- a/htroot/AILab.html
+++ b/htroot/AILab.html
@@ -331,6 +331,26 @@
           </div>
         </div>
 
+        <div class="bs-callout bs-callout-optional quest-callout status-pending" data-quest="logreports" data-status="#[ailab_logreports_status]#">
+          <div class="quest-meta">
+            <span class="label label-info">Optional</span>
+            <span class="meta-arrow" aria-hidden="true">→</span>
+            <span class="status-pill">Needs setup</span>
+          </div>
+          <h3>Monitor log reports</h3>
+          <p>Assign a log-report model, then review generated hourly and daily self-enhancement reports.</p>
+          <div class="quest-body">
+            <div class="quest-visual">
+              <img src="env/grafics/AILab_Matrix.png" alt="Log report monitor" width="128" height="128" />
+            </div>
+            <div class="quest-actions">
+              <a class="btn btn-info btn-sm" href="LogReports_p.html">Open log reports</a>
+              <a class="btn btn-info btn-sm" href="LLMSelection_p.html#availableModels">Assign log-report model</a><br />
+              <span class="quest-note">Report generation stays inactive until a production model is assigned to the log-report role.</span>
+            </div>
+          </div>
+        </div>
+
         <div class="bs-callout bs-callout-optional quest-callout status-pending" data-quest="shield" data-status="#[ailab_shield_status]#">
           <div class="quest-meta">
             <span class="label label-info">Optional</span>
diff --git a/htroot/LLMSelection_p.html b/htroot/LLMSelection_p.html
index 6e3e54f22..628ab1211 100644
--- a/htroot/LLMSelection_p.html
+++ b/htroot/LLMSelection_p.html
@@ -53,12 +53,12 @@
         required: ["mood"]
       };
 
-      const PRODUCTION_MODEL_TOTAL_COLUMNS = 17;
+      const PRODUCTION_MODEL_TOTAL_COLUMNS = 18;
       const PRODUCTION_MODEL_MODEL_COLUMN_INDEX = 1;
       const PRODUCTION_MODEL_USAGE_COLUMN_START = 5;
-      const PRODUCTION_MODEL_USAGE_COLUMN_END = 11; // including
-      const PRODUCTION_MODEL_FEATURE_COLUMN_START = 12;
-      const PRODUCTION_MODEL_FEATURE_COLUMN_END = 15; // including
+      const PRODUCTION_MODEL_USAGE_COLUMN_END = 12; // including
+      const PRODUCTION_MODEL_FEATURE_COLUMN_START = 13;
+      const PRODUCTION_MODEL_FEATURE_COLUMN_END = 16; // including
       const PRODUCTION_MODEL_ACTION_COLUMN_INDEX = PRODUCTION_MODEL_TOTAL_COLUMNS - 1;
       const PRODUCTION_MODEL_THINKING_COLUMN_INDEX = PRODUCTION_MODEL_FEATURE_COLUMN_START;
       const PRODUCTION_MODEL_TOOLING_COLUMN_INDEX = PRODUCTION_MODEL_FEATURE_COLUMN_START + 1;
@@ -66,7 +66,8 @@
       const PRODUCTION_MODEL_FORMAT_COLUMN_INDEX = PRODUCTION_MODEL_FEATURE_COLUMN_START + 3;
       const PRODUCTION_MODEL_ENABLED_USAGE_COLUMNS = new Set([
         6,  // chat
-        11  // tldr
+        11, // tldr
+        12  // log-report
       ]);
       const PRODUCTION_MODEL_COLUMN_NAMES = [
         "service",
@@ -82,6 +83,7 @@
         "query",
         "qapairs",
         "tldr",
+        "logreport",
 
         "thinking",
         "tooling",
@@ -111,7 +113,7 @@
         //["qwen3-vl:30b-a3b-instruct-q4_K_M",                  "17.33", "22GB", "Very fast, exceptional good 30B model, ranking above GPT-4-turbo, GPT-4.1-nano, GPT-o1, GPT-4o-mini", "Alibaba", "apache-2.0"],
 		["qwen3.5:9b-q4_K_M",                                 "18.37", "14GB", "multimodal, outstanding for its size, long-context 256K Tokens, strong instruction following model", "Alibaba", "apache-2.0"],
 		["hf.co/mradermacher/Ling-mini-2.0-GGUF:Q4_K_M",      "20.00", "20GB", "very fast 16B MoE model with 1.4B activated parameters per expert", "InclusionAI", "mit"],
-		["qwen3.5:35b-a3b-q4_K_M",                            "44.63", "25GB", "Very fast MoE, exceptional good 35B model with vision, ranking above GPT-4-turbo, GPT-4.1-nano, GPT-o1, GPT-4o-mini", "Alibaba", "apache-2.0"]
+		["qwen3.6:27b-mtp-q4_K_M",                            "80", "17GB", "Exceptional good 27B model with vision, ranking above GPT-4-turbo, GPT-4.1-nano, GPT-o1, GPT-4o-mini", "Alibaba", "apache-2.0"]
       ];
 	  
       const MODEL_TABLE_HEADERS = ["Model", "Ranking", "Size", "Description", "Provider", "License", "Actions"];
@@ -1871,6 +1873,7 @@
                     <td class="narrow">search-query<br/><span class="info"><img src="env/grafics/i16.gif" width="16" height="16" alt="info"/><span>This model produces search queries to YaCy search from prompts in RAG or chat</span></span></td>
                     <td class="narrow">qa-pairs<br/><span class="info"><img src="env/grafics/i16.gif" width="16" height="16" alt="info"/><span>This model can be used to produce query-answer pairs which enhance search from chat prompts</span></span></td>
                     <td class="narrow">tldr-shortener<br/><span class="info"><img src="env/grafics/i16.gif" width="16" height="16" alt="info"/><span>This model is used to make summaries from web content</span></span></td>
+                    <td class="narrow">log-report<br/><span class="info"><img src="env/grafics/i16.gif" width="16" height="16" alt="info"/><span>This model evaluates YaCy runtime logs and creates self-enhancement reports</span></span></td>
                     
                     <td class="narrow">thinking<br/><span class="info"><img src="env/grafics/i16.gif" width="16" height="16" alt="info"/><span>we detect thinking only to be able to suppress thinking. thinking is not used in YaCy</span></span></td>
                     <td class="narrow">tooling<br/><span class="info"><img src="env/grafics/i16.gif" width="16" height="16" alt="info"/><span>tooling is required for agentic abilities.</span></span></td>
@@ -1895,6 +1898,7 @@
                 <td><input type="checkbox" #(query)#::checked=true#(/query)# disabled="disabled"></td>
                 <td><input type="checkbox" #(qapairs)#::checked=true#(/qapairs)# disabled="disabled"></td>
                 <td><input type="checkbox" #(tldr)#::checked=true#(/tldr)#></td>
+                <td><input type="checkbox" #(logreport)#::checked=true#(/logreport)#></td>
                 
                 <td>#[thinking]#</td>
                 <td>#[tooling]#</td>
diff --git a/htroot/LogReports_p.html b/htroot/LogReports_p.html
new file mode 100644
index 000000000..a99a20eb4
--- /dev/null
+++ b/htroot/LogReports_p.html
@@ -0,0 +1,141 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <title>YaCy '#[clientname]#': Log Reports</title>
+    #%env/templates/metas.template%#
+    <style type="text/css">
+      .logreport-feeds {
+        margin: 0 0 16px 0;
+      }
+      .logreport-card {
+        border: 1px solid #ddd;
+        margin: 0 0 16px 0;
+        background: #fff;
+      }
+      .logreport-header {
+        background: #f5f5f5;
+        border-bottom: 1px solid #ddd;
+        padding: 10px 12px;
+      }
+      .logreport-title {
+        font-weight: bold;
+        margin: 0 0 4px 0;
+      }
+      .logreport-meta {
+        color: #666;
+        font-size: 0.9em;
+      }
+      .logreport-body {
+        white-space: pre-wrap;
+        word-break: break-word;
+        max-height: 520px;
+        overflow: auto;
+        margin: 0;
+        padding: 12px;
+        background: #fff;
+        border: 0;
+        font-family: Menlo, Consolas, monospace;
+        font-size: 12px;
+        line-height: 1.45;
+      }
+      .logreport-empty {
+        border: 1px solid #ddd;
+        background: #f9f9f9;
+        padding: 14px;
+      }
+      .logreport-warning {
+        border: 1px solid #f0ad4e;
+        border-left: 6px solid #f0ad4e;
+        background: #fcf8e3;
+        color: #6b4f13;
+        padding: 12px;
+        margin: 10px 0 16px 0;
+      }
+      .logreport-actions {
+        margin: 0 0 16px 0;
+      }
+      .logreport-message {
+        border: 1px solid #5bc0de;
+        border-left: 6px solid #5bc0de;
+        background: #eef9fc;
+        color: #245269;
+        padding: 12px;
+        margin: 10px 0 16px 0;
+      }
+    </style>
+  </head>
+  <body id="LogReports">
+    #%env/templates/header.template%#
+    #%env/templates/submenuComputation.template%#
+
+    <h2>Log Reports</h2>
+
+    <form action="LogReports_p.html" method="get" accept-charset="UTF-8">
+      <fieldset>
+        <label for="count">Reports</label>
+        <input type="number" name="count" id="count" min="0" max="#[maxcount]#" value="#[count]#" />
+        <input type="submit" value="refresh" />
+      </fieldset>
+    </form>
+
+    <form action="LogReports_p.html" method="post" accept-charset="UTF-8" class="logreport-actions">
+      <input type="hidden" name="count" value="#[count]#" />
+      <button type="submit" name="runReportNow" value="1" class="btn btn-primary">run report now</button>
+    </form>
+
+    #(runReportResult)#
+    ::
+    <div class="logreport-message">Current-hour report written: #[runReportFile]# (#[runReportDurationSeconds]# seconds)</div>
+    ::
+    <div class="logreport-warning">No log lines were found for the current hour.</div>
+    ::
+    <div class="logreport-warning">
+      No production model is configured for the log-report role. Assign one in the
+      <a href="LLMSelection_p.html#availableModels">Production Models Matrix</a>.
+    </div>
+    ::
+    <div class="logreport-warning">Report generation failed after #[runReportDurationSeconds]# seconds: #[runReportFile]#</div>
+    #(/runReportResult)#
+
+    #(modelConfigured)#
+    <div class="logreport-warning">
+      No production model is configured for the log-report role. Log report generation stays inactive until a model is assigned in the
+      <a href="LLMSelection_p.html#availableModels">Production Models Matrix</a>.
+    </div>
+    ::
+    #(/modelConfigured)#
+
+    <p class="logreport-feeds">
+      Reports found: #[reportCount]#<br />
+      Directory: #[reportdir]#<br />
+      Feeds:
+      <a href="#[jsonFeed]#">JSON</a>
+      |
+      <a href="#[rssFeed]#">RSS</a>
+    </p>
+
+    #(reportdirMissing)#
+    ::
+    <div class="logreport-empty">The report directory does not exist yet. Reports will appear here after the scheduler has generated the first completed hourly report.</div>
+    #(/reportdirMissing)#
+
+    #{reports}#
+    <div class="logreport-card">
+      <div class="logreport-header">
+        <div class="logreport-title">#[title]#</div>
+        <div class="logreport-meta">
+          #[type]# report - #[filename]# - #[published]# - #[chars]# characters
+        </div>
+      </div>
+      <pre class="logreport-body">#[content]#</pre>
+    </div>
+    #{/reports}#
+
+    #(noReports)#
+    ::
+    <div class="logreport-empty">No generated log reports were found.</div>
+    #(/noReports)#
+
+    #%env/templates/footer.template%#
+  </body>
+</html>
diff --git a/htroot/ViewLog_p.html b/htroot/ViewLog_p.html
index 6ef10300d..6efb12d11 100644
--- a/htroot/ViewLog_p.html
+++ b/htroot/ViewLog_p.html
@@ -11,14 +11,19 @@
     

     <form action="ViewLog_p.html" method="get" accept-charset="UTF-8">

       <fieldset>

-        <input type="text" name="lines" id="lines" size ="6" value="#[lines]#" maxlength="9" /><label for="lines"> Lines (max. #[maxlines]#)</label>

-        <input type="checkbox" name="mode" id="mode" value="reversed" #(reverseChecked)#::checked="checked"#(/reverseChecked)# /><label for="mode">reversed order</label>

-        <input type="text" name="filter" id="filter" size ="30" value="#[filter]#" maxlength="60" />

-        <input type="submit" value="refresh" />

-      </fieldset>

-    </form>

-    

-    <div class="log">

+        <input type="text" name="lines" id="lines" size ="6" value="#[lines]#" maxlength="9" /><label for="lines"> Lines (max. #[maxlines]#)</label>
+        <input type="checkbox" name="mode" id="mode" value="reversed" #(reverseChecked)#::checked="checked"#(/reverseChecked)# /><label for="mode">reversed order</label>
+        <select name="filterMode" id="filterMode">
+          <option value="regex" #(filterModeRegex)#::selected="selected"#(/filterModeRegex)#>regex</option>
+          <option value="terms" #(filterModeTerms)#::selected="selected"#(/filterModeTerms)#>terms</option>
+        </select>
+        <input type="text" name="filter" id="filter" size ="42" value="#[filter]#" maxlength="160" />
+        <input type="submit" value="refresh" />
+      </fieldset>
+    </form>
+    #(filterError)#::<p class="error">Invalid regular expression filter.</p>#(/filterError)#
+    
+    <div class="log">
     #{log}#<p class="log#(level)#Debug::Info::System::Warning::Severe#(/level)#" style="font-family:Monospace;margin-top:0px;margin-bottom:0px;">#[line]#</p>#{/log}#

 	</div>

     

diff --git a/htroot/api/logreports.json b/htroot/api/logreports.json
new file mode 100644
index 000000000..4b495dada
--- /dev/null
+++ b/htroot/api/logreports.json
@@ -0,0 +1,17 @@
+{
+  #(authorized)#
+  "error": "authorization required",
+  ::
+  #(/authorized)#
+  "reports": [
+    #{reports}#
+    {
+      "filename": "#[filename]#",
+      "title": "#[title]#",
+      "published": "#[published]#",
+      "daily": #(daily)#false::true#(/daily)#,
+      "content": "#[content]#"
+    }#(comma)#::,#(/comma)#
+    #{/reports}#
+  ]
+}
diff --git a/htroot/api/logreports.rss b/htroot/api/logreports.rss
new file mode 100644
index 000000000..8a0d9f2ed
--- /dev/null
+++ b/htroot/api/logreports.rss
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0">
+<channel>
+<title>#[channel_title]#</title>
+<description>#[channel_description]#</description>
+<pubDate>#[channel_pubDate]#</pubDate>
+#(authorized)#
+<item>
+<title>Authorization required</title>
+<description>Administrative authentication is required to read YaCy log reports.</description>
+<guid isPermaLink="false">authorization-required</guid>
+</item>
+::
+#(/authorized)#
+#{reports}#
+<item>
+<title>#[title-rss]#</title>
+<description>#[description-rss]#</description>
+<pubDate>#[pubDate-rss]#</pubDate>
+<guid isPermaLink="false">#[guid-rss]#</guid>
+</item>
+#{/reports}#
+</channel>
+</rss>
diff --git a/htroot/env/templates/submenuAI.template b/htroot/env/templates/submenuAI.template
index 8265b9ff0..b8fff30a0 100644
--- a/htroot/env/templates/submenuAI.template
+++ b/htroot/env/templates/submenuAI.template
@@ -5,6 +5,7 @@
     <li><a href="LLMSelection_p.html" class="MenuItemLink #(authorized)#lock::unlock#(/authorized)#">LLM Selection</a></li>
     <li><a href="RAGConfig_p.html" class="MenuItemLink #(authorized)#lock::unlock#(/authorized)#">RAG Config</a></li>
     <li><a href="ToolsConfig_p.html" class="MenuItemLink #(authorized)#lock::unlock#(/authorized)#">Tools Config</a></li>
+    <li><a href="LogReports_p.html" class="MenuItemLink #(authorized)#lock::unlock#(/authorized)#">Log Reports</a></li>
     <li><a href="AIShield_p.html" class="MenuItemLink #(authorized)#lock::unlock#(/authorized)#">AI Shield</a></li>
     <li><a href="yacychat.html" class="MenuItemLink">Chat</a></li>
   </ul>
diff --git a/htroot/env/templates/submenuComputation.template b/htroot/env/templates/submenuComputation.template
index 9b24c0226..99d1a75de 100644
--- a/htroot/env/templates/submenuComputation.template
+++ b/htroot/env/templates/submenuComputation.template
@@ -12,6 +12,7 @@
   <h3>Processes</h3>
   <ul class="SubMenu">
     <li><a href="ViewLog_p.html" class="MenuItemLink #(authorized)#lock::unlock#(/authorized)#">Server Log</a></li>
+    <li><a href="LogReports_p.html" class="MenuItemLink #(authorized)#lock::unlock#(/authorized)#">Log Reports</a></li>
     <li><a href="Threaddump_p.html" class="MenuItemLink #(authorized)#lock::unlock#(/authorized)#">Thread Dump</a></li>
     <li><a href="PerformanceConcurrency_p.html" class="MenuItemLink #(authorized)#lock::unlock#(/authorized)#">Concurrent Indexing</a></li>
     <li><a href="PerformanceMemory_p.html" class="MenuItemLink #(authorized)#lock::unlock#(/authorized)#">Memory Usage</a></li>
diff --git a/source/net/yacy/ai/LLM.java b/source/net/yacy/ai/LLM.java
index 7f74943d0..2363230ab 100644
--- a/source/net/yacy/ai/LLM.java
+++ b/source/net/yacy/ai/LLM.java
@@ -39,10 +39,13 @@ import org.json.JSONException;
 import org.json.JSONObject;
 import org.json.JSONTokener;
 
+import net.yacy.cora.util.ConcurrentLog;
+import net.yacy.cora.util.LogRedaction;
 import net.yacy.search.Switchboard;
 
 public class LLM {
 
+    private static final ConcurrentLog log = new ConcurrentLog("LLM");
     private static final String MODEL_CAPABILITIES_CONFIG = "ai.model_capabilities";
     private static String[] STOPTOKENS = new String[]{"[/INST]", "<|im_end|>", "<|end_of_turn|>", "<|eot_id|>", "<|end_header_id|>", "<EOS_TOKEN>", "</s>", "<|end|>"};
 
@@ -65,7 +68,8 @@ public class LLM {
         classification,
         query,
         qapairs,
-        tldr
+        tldr,
+        logreport
     }
     
     public static class LLMModel {
@@ -99,8 +103,25 @@ public class LLM {
      * @return
      */
     public static LLMModel llmFromUsage(LLMUsage llmUsage) {
-        Switchboard sb = Switchboard.getSwitchboard();
-        String pms = sb.getConfig("ai.production_models", "[]");
+        return llmFromUsage(llmUsage, null, null);
+    }
+
+    public static LLMModel llmFromUsage(final LLMUsage llmUsage, final String runId, final String caller) {
+        return llmFromUsage(llmUsage, runId, caller, true);
+    }
+
+    public static LLMModel llmFromUsageQuiet(final LLMUsage llmUsage) {
+        return llmFromUsage(llmUsage, null, null, false);
+    }
+
+    private static LLMModel llmFromUsage(final LLMUsage llmUsage, final String runId, final String caller, final boolean logRouting) {
+        final long start = System.currentTimeMillis();
+        final Switchboard sb = Switchboard.getSwitchboard();
+        if (sb == null) {
+            if (logRouting) log.warn(routePrefix(runId, caller) + "event=model-routing phase=fail usage=" + llmUsage + " reason=switchboard-unavailable durationMs=" + elapsed(start));
+            return null;
+        }
+        final String pms = sb.getConfig("ai.production_models", "[]");
         JSONObject model_capabilities = readModelCapabilities();
         try {
             JSONArray production_models = new JSONArray(new JSONTokener(pms));
@@ -126,15 +147,34 @@ public class LLM {
                     }
                     LLM llm = new LLM(hoststub, api_key, max_tokens, type);
                     LLMModel llmmodel = new LLMModel(llm, model, tooling, thinking);
+                    if (logRouting) {
+                        log.info(routePrefix(runId, caller) + "event=model-routing phase=select usage=" + llmUsage + " row=" + i + " service=" + type.name() + " model=" + LogRedaction.redact(model) + " backend=" + LogRedaction.redact(llm.hoststub) + " maxTokens=" + llm.max_tokens + " tooling=" + tooling + " thinking=" + thinking + " productionRows=" + production_models.length() + " durationMs=" + elapsed(start));
+                    }
                     return llmmodel;
                 }
             }
-        } catch (JSONException | NumberFormatException e) {
-            e.printStackTrace();
+            if (logRouting) {
+                log.info(routePrefix(runId, caller) + "event=model-routing phase=miss usage=" + llmUsage + " productionRows=" + production_models.length() + " durationMs=" + elapsed(start));
+            }
+        } catch (JSONException | IllegalArgumentException e) {
+            if (logRouting) {
+                log.warn(routePrefix(runId, caller) + "event=model-routing phase=fail usage=" + llmUsage + " errorClass=" + e.getClass().getName() + " reason=" + LogRedaction.redactMessage(e) + " durationMs=" + elapsed(start));
+            }
         }
         // so if we don't find a model for that specific usage, we purposely return null to show that there is a missing configuration
         return null;
     }    
+
+    private static String routePrefix(final String runId, final String caller) {
+        final StringBuilder prefix = new StringBuilder();
+        if (runId != null && !runId.isEmpty()) prefix.append("runId=").append(runId).append(' ');
+        if (caller != null && !caller.isEmpty()) prefix.append("caller=").append(caller).append(' ');
+        return prefix.toString();
+    }
+
+    private static long elapsed(final long start) {
+        return System.currentTimeMillis() - start;
+    }
     
     public String getHoststub() {
 		return this.hoststub;
diff --git a/source/net/yacy/ai/LogReportService.java b/source/net/yacy/ai/LogReportService.java
new file mode 100644
index 000000000..ddee5db9c
--- /dev/null
+++ b/source/net/yacy/ai/LogReportService.java
@@ -0,0 +1,732 @@
+/**
+ *  LogReportService
+ *  Copyright 2026 by contributors to the YaCy project
+ *  First released 26.06.2026 at https://yacy.net
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program in the file lgpl21.txt
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.yacy.ai;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.AtomicMoveNotSupportedException;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.temporal.ChronoUnit;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+import java.util.UUID;
+import java.util.logging.Handler;
+import java.util.logging.Logger;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import net.yacy.ai.LLM.LLMModel;
+import net.yacy.ai.LLM.LLMUsage;
+import net.yacy.cora.util.ConcurrentLog;
+import net.yacy.cora.util.LogRedaction;
+import net.yacy.kelondro.logging.GuiHandler;
+import net.yacy.search.Switchboard;
+
+public class LogReportService {
+
+    public static final String CONFIG_REPORT_DIR = "ai.logreport.dir";
+    public static final String CONFIG_ENABLED = "ai.logreport.enabled";
+    public static final String CONFIG_MAX_BUCKET_LINES = "ai.logreport.max_bucket_lines";
+    public static final String CONFIG_INITIAL_DELAY_MINUTES = "ai.logreport.initial_delay_minutes";
+    public static final String CONFIG_PERIOD_MINUTES = "ai.logreport.period_minutes";
+    public static final String CONFIG_MAX_TOKENS = "ai.logreport.max_tokens";
+    public static final String CONFIG_DAILY_COMPRESSION_ENABLED = "ai.logreport.daily_compression.enabled";
+    public static final String CONFIG_DELETE_HOURLY_AFTER_DAILY = "ai.logreport.daily_compression.delete_hourly";
+    public static final String CONFIG_FEED_MAX_ENTRIES = "ai.logreport.feed.max_entries";
+    public static final String DEFAULT_REPORT_DIR = "DATA/REPORTS/log";
+    public static final int DEFAULT_MAX_BUCKET_LINES = 100000;
+    public static final int DEFAULT_FEED_MAX_ENTRIES = 100;
+    public static final long DEFAULT_INITIAL_DELAY_MINUTES = 5L;
+    public static final long DEFAULT_PERIOD_MINUTES = 60L;
+
+    private static final ConcurrentLog log = new ConcurrentLog("LOGREPORT");
+    private static final DateTimeFormatter LOG_TIMESTAMP_FORMATTER = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss");
+    private static final DateTimeFormatter HOURLY_REPORT_FORMATTER = DateTimeFormatter.ofPattern("'report-'yyyy-MM-dd-HH'.md'");
+    private static final DateTimeFormatter DAILY_REPORT_FORMATTER = DateTimeFormatter.ofPattern("'report-'yyyy-MM-dd'.md'");
+    private static final ZoneId REPORT_ZONE = ZoneId.systemDefault();
+    private static final String SYSTEM_PROMPT =
+            "You evaluate YaCy runtime logs for operator-facing self-enhancement reports. " +
+            "Do not suggest automatic code changes. Identify operational evidence and practical development opportunities.";
+    private static final int NOISE_EXAMPLE_LIMIT = 3;
+
+    private final Switchboard sb;
+
+    public static class ReportEntry implements Comparable<ReportEntry> {
+        public final String filename;
+        public final String title;
+        public final ZonedDateTime published;
+        public final String content;
+        public final boolean daily;
+
+        public ReportEntry(final String filename, final String title, final ZonedDateTime published, final String content, final boolean daily) {
+            this.filename = filename;
+            this.title = title;
+            this.published = published;
+            this.content = content;
+            this.daily = daily;
+        }
+
+        @Override
+        public int compareTo(final ReportEntry other) {
+            final int dateCompare = other.published.compareTo(this.published);
+            if (dateCompare != 0) return dateCompare;
+            return other.filename.compareTo(this.filename);
+        }
+    }
+
+    private static class NoiseBucket {
+        int count;
+        final List<String> examples = new ArrayList<>(NOISE_EXAMPLE_LIMIT);
+    }
+
+    private static class NoiseSummary {
+        final int totalLines;
+        final Map<String, NoiseBucket> buckets = new LinkedHashMap<>();
+
+        NoiseSummary(final int totalLines) {
+            this.totalLines = totalLines;
+        }
+
+        int classifiedLines() {
+            int count = 0;
+            for (final NoiseBucket bucket : this.buckets.values()) count += bucket.count;
+            return count;
+        }
+    }
+
+    public LogReportService(final Switchboard sb) {
+        this.sb = sb;
+    }
+
+    public static boolean hasConfiguredLogReportModel() {
+        return LLM.llmFromUsageQuiet(LLMUsage.logreport) != null;
+    }
+
+    public static ScheduledExecutorService startScheduler(final Switchboard sb) {
+        if (sb == null) return null;
+        if (!sb.getConfigBool(CONFIG_ENABLED, true)) {
+            log.info("Log report scheduler is disabled by " + CONFIG_ENABLED + ".");
+            return null;
+        }
+        if (!hasConfiguredLogReportModel()) {
+            log.info("Log report scheduler is inactive because no production model is configured for logreport usage.");
+            return null;
+        }
+
+        final LogReportService service = new LogReportService(sb);
+        final long initialDelay = Math.max(0L, sb.getConfigLong(CONFIG_INITIAL_DELAY_MINUTES, DEFAULT_INITIAL_DELAY_MINUTES));
+        final long period = Math.max(1L, sb.getConfigLong(CONFIG_PERIOD_MINUTES, DEFAULT_PERIOD_MINUTES));
+        final AtomicBoolean missingModelLogged = new AtomicBoolean(false);
+        final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor(r -> {
+            final Thread thread = new Thread(r, "LogReportService.scheduler");
+            thread.setDaemon(true);
+            return thread;
+        });
+        scheduler.scheduleAtFixedRate(() -> {
+            final String runId = newRunId();
+            final long tickStart = System.currentTimeMillis();
+            try {
+                if (!hasConfiguredLogReportModel()) {
+                    if (missingModelLogged.compareAndSet(false, true)) {
+                        log.info("runId=" + runId + " event=scheduler-tick phase=skip reason=no-logreport-model");
+                    }
+                    return;
+                }
+                missingModelLogged.set(false);
+                log.info("runId=" + runId + " event=scheduler-tick phase=start periodMinutes=" + period);
+                final List<File> hourlyReports = service.generateHourlyReports(runId, "scheduler");
+                final List<File> dailyReports = service.generateDailyReports(runId, "scheduler");
+                log.info("runId=" + runId + " event=scheduler-tick phase=end result=success hourlyWritten=" + hourlyReports.size() + " dailyWritten=" + dailyReports.size() + " durationMs=" + elapsed(tickStart));
+            } catch (final Throwable e) {
+                log.warn("runId=" + runId + " event=scheduler-tick phase=end result=failure errorClass=" + e.getClass().getName() + " reason=" + LogRedaction.redactMessage(e) + " durationMs=" + elapsed(tickStart));
+            }
+        }, initialDelay, period, TimeUnit.MINUTES);
+        log.info("event=scheduler-start result=success initialDelayMinutes=" + initialDelay + " periodMinutes=" + period);
+        return scheduler;
+    }
+
+    public static void stopScheduler(final ScheduledExecutorService scheduler) {
+        if (scheduler == null) return;
+        scheduler.shutdownNow();
+        log.info("Log report scheduler stopped.");
+    }
+
+    public File getReportDirectory() {
+        return this.sb.getDataPath(CONFIG_REPORT_DIR, DEFAULT_REPORT_DIR);
+    }
+
+    public List<ReportEntry> discoverReports(final int maxEntries) {
+        final File reportDirectory = getReportDirectory();
+        if (!reportDirectory.isDirectory()) {
+            log.info("No log reports discovered because report directory does not exist: " + reportDirectory.getAbsolutePath());
+            return Collections.emptyList();
+        }
+        final File[] files = reportDirectory.listFiles();
+        if (files == null || files.length == 0) {
+            log.info("No log reports discovered in " + reportDirectory.getAbsolutePath() + ".");
+            return Collections.emptyList();
+        }
+
+        final List<ReportEntry> reports = new ArrayList<>();
+        int candidates = 0;
+        for (final File file : files) {
+            if (!file.isFile()) continue;
+            candidates++;
+            final ReportEntry report = reportEntry(file);
+            if (report != null) reports.add(report);
+        }
+        Collections.sort(reports);
+        log.info("Discovered " + reports.size() + " log report(s) from " + candidates + " file(s) in " + reportDirectory.getAbsolutePath() + ".");
+        if (maxEntries >= 0 && reports.size() > maxEntries) {
+            return new ArrayList<>(reports.subList(0, maxEntries));
+        }
+        return reports;
+    }
+
+    public List<File> generateHourlyReports() {
+        return generateHourlyReports(newRunId(), "direct");
+    }
+
+    private List<File> generateHourlyReports(final String runId, final String trigger) {
+        final long start = System.currentTimeMillis();
+        log.info("runId=" + runId + " event=hourly-reports phase=start trigger=" + trigger);
+        final LLMModel model = LLM.llmFromUsage(LLMUsage.logreport, runId, "hourly-reports");
+        if (model == null) {
+            log.info("runId=" + runId + " event=hourly-reports phase=skip reason=no-logreport-model durationMs=" + elapsed(start));
+            return Collections.emptyList();
+        }
+
+        final List<String> logLines = readRuntimeLogLines();
+        final Map<LocalDateTime, List<String>> buckets = completedHourlyBuckets(logLines);
+        log.info("runId=" + runId + " event=hourly-reports phase=bucket-scan runtimeLines=" + logLines.size() + " buckets=" + buckets.size());
+        if (buckets.isEmpty()) {
+            log.info("runId=" + runId + " event=hourly-reports phase=skip reason=no-completed-buckets durationMs=" + elapsed(start));
+            return Collections.emptyList();
+        }
+
+        final File reportDirectory = getReportDirectory();
+        if (!reportDirectory.exists() && !reportDirectory.mkdirs()) {
+            log.warn("runId=" + runId + " event=hourly-reports phase=prepare-directory result=failure path=" + reportDirectory.getAbsolutePath());
+            return Collections.emptyList();
+        }
+
+        final List<File> writtenReports = new ArrayList<>();
+        int skippedExisting = 0;
+        int failedReports = 0;
+        for (final Map.Entry<LocalDateTime, List<String>> bucket : buckets.entrySet()) {
+            final File reportFile = new File(reportDirectory, hourlyReportFilename(bucket.getKey()));
+            if (reportFile.exists()) {
+                skippedExisting++;
+                log.info("runId=" + runId + " event=hourly-report phase=skip bucket=" + bucket.getKey() + " reason=report-exists file=" + reportFile.getAbsolutePath());
+                continue;
+            }
+            try {
+                final NoiseSummary noiseSummary = classifyNoise(bucket.getValue());
+                final String prompt = hourlyPrompt(bucket.getKey(), bucket.getValue(), noiseSummary);
+                log.info("runId=" + runId + " event=hourly-report phase=classify-noise bucket=" + bucket.getKey() + " inputLines=" + bucket.getValue().size() + " noiseLines=" + noiseSummary.classifiedLines() + " noiseCategories=" + noiseSummary.buckets.size());
+                final int configuredMaxTokens = this.sb.getConfigInt(CONFIG_MAX_TOKENS, model.llm.max_tokens);
+                final int maxTokens = Math.max(1, Math.min(model.llm.max_tokens, configuredMaxTokens));
+                log.info("runId=" + runId + " event=hourly-report phase=model-call bucket=" + bucket.getKey() + " model=" + LogRedaction.redact(model.model) + " backend=" + LogRedaction.redact(model.llm.hoststub) + " inputLines=" + bucket.getValue().size() + " promptChars=" + prompt.length() + " maxTokens=" + maxTokens);
+                final long modelStart = System.currentTimeMillis();
+                final String report = model.llm.chat(model.model, SYSTEM_PROMPT, prompt, maxTokens);
+                final long modelDuration = elapsed(modelStart);
+                log.info("runId=" + runId + " event=hourly-report phase=model-return bucket=" + bucket.getKey() + " durationMs=" + modelDuration + " outputChars=" + (report == null ? 0 : report.length()));
+                if (report == null || report.trim().isEmpty()) {
+                    throw new IOException("model returned an empty report");
+                }
+                writeReport(reportFile, reportDocument(bucket.getKey(), bucket.getValue().size(), report));
+                writtenReports.add(reportFile);
+                log.info("runId=" + runId + " event=hourly-report phase=write result=success bucket=" + bucket.getKey() + " inputLines=" + bucket.getValue().size() + " outputChars=" + report.length() + " file=" + reportFile.getAbsolutePath());
+            } catch (final IOException e) {
+                failedReports++;
+                log.warn("runId=" + runId + " event=hourly-report phase=write result=failure bucket=" + bucket.getKey() + " file=" + LogRedaction.redact(reportFile.getAbsolutePath()) + " errorClass=" + e.getClass().getName() + " reason=" + LogRedaction.redactMessage(e));
+            }
+        }
+        log.info("runId=" + runId + " event=hourly-reports phase=end result=success buckets=" + buckets.size() + " written=" + writtenReports.size() + " skippedExisting=" + skippedExisting + " failed=" + failedReports + " durationMs=" + elapsed(start));
+        return writtenReports;
+    }
+
+    public File generateCurrentHourReportOverwrite() throws IOException {
+        final String runId = newRunId();
+        final long start = System.currentTimeMillis();
+        log.info("runId=" + runId + " event=current-hour-report phase=start mode=manual");
+        final LLMModel model = LLM.llmFromUsage(LLMUsage.logreport, runId, "current-hour-report");
+        if (model == null) {
+            log.info("runId=" + runId + " event=current-hour-report phase=skip reason=no-logreport-model durationMs=" + elapsed(start));
+            return null;
+        }
+
+        final LocalDateTime currentHour = LocalDateTime.now().truncatedTo(ChronoUnit.HOURS);
+        final List<String> logLines = readRuntimeLogLines();
+        final List<String> bucketLines = hourlyBucket(logLines, currentHour);
+        log.info("runId=" + runId + " event=current-hour-report phase=bucket-scan bucket=" + currentHour + " runtimeLines=" + logLines.size() + " inputLines=" + bucketLines.size());
+        if (bucketLines.isEmpty()) {
+            log.info("runId=" + runId + " event=current-hour-report phase=skip bucket=" + currentHour + " reason=no-matching-log-lines durationMs=" + elapsed(start));
+            return null;
+        }
+
+        final File reportDirectory = getReportDirectory();
+        if (!reportDirectory.exists() && !reportDirectory.mkdirs()) {
+            log.warn("runId=" + runId + " event=current-hour-report phase=prepare-directory result=failure path=" + reportDirectory.getAbsolutePath());
+            throw new IOException("cannot create log report directory " + reportDirectory.getAbsolutePath());
+        }
+
+        final File reportFile = new File(reportDirectory, hourlyReportFilename(currentHour));
+        final NoiseSummary noiseSummary = classifyNoise(bucketLines);
+        final String prompt = hourlyPrompt(currentHour, bucketLines, noiseSummary);
+        log.info("runId=" + runId + " event=current-hour-report phase=classify-noise bucket=" + currentHour + " inputLines=" + bucketLines.size() + " noiseLines=" + noiseSummary.classifiedLines() + " noiseCategories=" + noiseSummary.buckets.size());
+        final int configuredMaxTokens = this.sb.getConfigInt(CONFIG_MAX_TOKENS, model.llm.max_tokens);
+        final int maxTokens = Math.max(1, Math.min(model.llm.max_tokens, configuredMaxTokens));
+        log.info("runId=" + runId + " event=current-hour-report phase=model-call bucket=" + currentHour + " model=" + LogRedaction.redact(model.model) + " backend=" + LogRedaction.redact(model.llm.hoststub) + " inputLines=" + bucketLines.size() + " promptChars=" + prompt.length() + " maxTokens=" + maxTokens);
+        final long modelStart = System.currentTimeMillis();
+        final String report = model.llm.chat(model.model, SYSTEM_PROMPT, prompt, maxTokens);
+        log.info("runId=" + runId + " event=current-hour-report phase=model-return bucket=" + currentHour + " durationMs=" + elapsed(modelStart) + " outputChars=" + (report == null ? 0 : report.length()));
+        if (report == null || report.trim().isEmpty()) {
+            log.warn("runId=" + runId + " event=current-hour-report phase=model-return result=failure bucket=" + currentHour + " reason=empty-report");
+            throw new IOException("model returned an empty report");
+        }
+        if (reportFile.exists()) {
+            log.info("runId=" + runId + " event=current-hour-report phase=write action=overwrite file=" + reportFile.getAbsolutePath());
+        }
+        writeReport(reportFile, reportDocument(currentHour, bucketLines.size(), report), true);
+        log.info("runId=" + runId + " event=current-hour-report phase=end result=success bucket=" + currentHour + " inputLines=" + bucketLines.size() + " outputChars=" + report.length() + " file=" + reportFile.getAbsolutePath() + " durationMs=" + elapsed(start));
+        return reportFile;
+    }
+
+    public List<File> generateDailyReports() {
+        return generateDailyReports(newRunId(), "direct");
+    }
+
+    private List<File> generateDailyReports(final String runId, final String trigger) {
+        final long start = System.currentTimeMillis();
+        log.info("runId=" + runId + " event=daily-reports phase=start trigger=" + trigger);
+        if (!this.sb.getConfigBool(CONFIG_DAILY_COMPRESSION_ENABLED, true)) {
+            log.info("runId=" + runId + " event=daily-reports phase=skip reason=daily-compression-disabled durationMs=" + elapsed(start));
+            return Collections.emptyList();
+        }
+        final LLMModel model = LLM.llmFromUsage(LLMUsage.logreport, runId, "daily-reports");
+        if (model == null) {
+            log.info("runId=" + runId + " event=daily-reports phase=skip reason=no-logreport-model durationMs=" + elapsed(start));
+            return Collections.emptyList();
+        }
+
+        final File reportDirectory = getReportDirectory();
+        if (!reportDirectory.isDirectory()) {
+            log.info("runId=" + runId + " event=daily-reports phase=skip reason=report-directory-missing path=" + reportDirectory.getAbsolutePath() + " durationMs=" + elapsed(start));
+            return Collections.emptyList();
+        }
+
+        final Map<LocalDate, List<File>> completeDays = completeHourlyReportSets(reportDirectory);
+        log.info("runId=" + runId + " event=daily-reports phase=scan completeDays=" + completeDays.size() + " path=" + reportDirectory.getAbsolutePath());
+        if (completeDays.isEmpty()) {
+            log.info("runId=" + runId + " event=daily-reports phase=skip reason=no-complete-day durationMs=" + elapsed(start));
+            return Collections.emptyList();
+        }
+
+        final List<File> writtenReports = new ArrayList<>();
+        int skippedExisting = 0;
+        int failedReports = 0;
+        for (final Map.Entry<LocalDate, List<File>> day : completeDays.entrySet()) {
+            final File dailyReportFile = new File(reportDirectory, dailyReportFilename(day.getKey()));
+            if (dailyReportFile.exists()) {
+                skippedExisting++;
+                log.info("runId=" + runId + " event=daily-report phase=skip day=" + day.getKey() + " reason=report-exists file=" + dailyReportFile.getAbsolutePath());
+                continue;
+            }
+            try {
+                final String prompt = dailyPrompt(day.getKey(), day.getValue());
+                final int configuredMaxTokens = this.sb.getConfigInt(CONFIG_MAX_TOKENS, model.llm.max_tokens);
+                final int maxTokens = Math.max(1, Math.min(model.llm.max_tokens, configuredMaxTokens));
+                log.info("runId=" + runId + " event=daily-report phase=model-call day=" + day.getKey() + " model=" + LogRedaction.redact(model.model) + " backend=" + LogRedaction.redact(model.llm.hoststub) + " sourceReports=" + day.getValue().size() + " promptChars=" + prompt.length() + " maxTokens=" + maxTokens);
+                final long modelStart = System.currentTimeMillis();
+                final String report = model.llm.chat(model.model, SYSTEM_PROMPT, prompt, maxTokens);
+                log.info("runId=" + runId + " event=daily-report phase=model-return day=" + day.getKey() + " durationMs=" + elapsed(modelStart) + " outputChars=" + (report == null ? 0 : report.length()));
+                if (report == null || report.trim().isEmpty()) {
+                    throw new IOException("model returned an empty daily report");
+                }
+                writeReport(dailyReportFile, dailyReportDocument(day.getKey(), day.getValue().size(), report));
+                writtenReports.add(dailyReportFile);
+                log.info("runId=" + runId + " event=daily-report phase=write result=success day=" + day.getKey() + " sourceReports=" + day.getValue().size() + " outputChars=" + report.length() + " file=" + dailyReportFile.getAbsolutePath());
+                if (this.sb.getConfigBool(CONFIG_DELETE_HOURLY_AFTER_DAILY, false)) {
+                    deleteHourlyReports(day.getValue());
+                    log.info("runId=" + runId + " event=daily-report phase=delete-hourly day=" + day.getKey() + " sourceReports=" + day.getValue().size());
+                }
+            } catch (final IOException e) {
+                failedReports++;
+                log.warn("runId=" + runId + " event=daily-report phase=write result=failure day=" + day.getKey() + " file=" + LogRedaction.redact(dailyReportFile.getAbsolutePath()) + " errorClass=" + e.getClass().getName() + " reason=" + LogRedaction.redactMessage(e));
+            }
+        }
+        log.info("runId=" + runId + " event=daily-reports phase=end result=success completeDays=" + completeDays.size() + " written=" + writtenReports.size() + " skippedExisting=" + skippedExisting + " failed=" + failedReports + " durationMs=" + elapsed(start));
+        return writtenReports;
+    }
+
+    public Map<LocalDateTime, List<String>> completedHourlyBuckets(final List<String> logLines) {
+        final int maxBucketLines = this.sb.getConfigInt(CONFIG_MAX_BUCKET_LINES, DEFAULT_MAX_BUCKET_LINES);
+        final LocalDateTime currentHour = LocalDateTime.now().truncatedTo(ChronoUnit.HOURS);
+        final Map<LocalDateTime, List<String>> buckets = new TreeMap<>();
+
+        for (final String line : logLines) {
+            final LocalDateTime timestamp = parseLogTimestamp(line);
+            if (timestamp == null) continue;
+            final LocalDateTime bucket = timestamp.truncatedTo(ChronoUnit.HOURS);
+            if (!bucket.isBefore(currentHour)) continue;
+            List<String> bucketLines = buckets.get(bucket);
+            if (bucketLines == null) {
+                bucketLines = new ArrayList<>();
+                buckets.put(bucket, bucketLines);
+            }
+            bucketLines.add(line);
+            while (bucketLines.size() > maxBucketLines) {
+                bucketLines.remove(0);
+            }
+        }
+        return buckets;
+    }
+
+    private List<String> hourlyBucket(final List<String> logLines, final LocalDateTime selectedHour) {
+        final int maxBucketLines = this.sb.getConfigInt(CONFIG_MAX_BUCKET_LINES, DEFAULT_MAX_BUCKET_LINES);
+        final List<String> bucketLines = new ArrayList<>();
+        for (final String line : logLines) {
+            final LocalDateTime timestamp = parseLogTimestamp(line);
+            if (timestamp == null || !selectedHour.equals(timestamp.truncatedTo(ChronoUnit.HOURS))) continue;
+            bucketLines.add(line);
+            while (bucketLines.size() > maxBucketLines) {
+                bucketLines.remove(0);
+            }
+        }
+        return bucketLines;
+    }
+
+    public List<String> readRuntimeLogLines() {
+        final GuiHandler handler = findGuiHandler();
+        if (handler == null) return Collections.emptyList();
+        final String[] lines = handler.getLogLines(false, handler.getSize());
+        final List<String> result = new ArrayList<>(lines.length);
+        for (final String line : lines) {
+            if (line == null) continue;
+            final String trimmed = line.trim();
+            if (!trimmed.isEmpty()) result.add(trimmed);
+        }
+        return result;
+    }
+
+    public static String hourlyReportFilename(final LocalDateTime bucket) {
+        return HOURLY_REPORT_FORMATTER.format(bucket);
+    }
+
+    public static String dailyReportFilename(final LocalDate day) {
+        return DAILY_REPORT_FORMATTER.format(day);
+    }
+
+    static LocalDateTime parseLogTimestamp(final String line) {
+        if (line == null || line.length() < 21) return null;
+        try {
+            return LocalDateTime.parse(line.substring(2, 21), LOG_TIMESTAMP_FORMATTER);
+        } catch (final RuntimeException e) {
+            return null;
+        }
+    }
+
+    private static GuiHandler findGuiHandler() {
+        final Logger rootLogger = Logger.getLogger("");
+        final Handler[] handlers = rootLogger.getHandlers();
+        for (final Handler handler : handlers) {
+            if (handler instanceof GuiHandler) return (GuiHandler) handler;
+        }
+        return null;
+    }
+
+    private static String newRunId() {
+        return UUID.randomUUID().toString();
+    }
+
+    private static long elapsed(final long start) {
+        return System.currentTimeMillis() - start;
+    }
+
+    private static String hourlyPrompt(final LocalDateTime bucket, final List<String> lines) {
+        return hourlyPrompt(bucket, lines, classifyNoise(lines));
+    }
+
+    private static String hourlyPrompt(final LocalDateTime bucket, final List<String> lines, final NoiseSummary noiseSummary) {
+        final StringBuilder prompt = new StringBuilder(1024 + lines.size() * 120);
+        prompt.append("Create a YaCy self-enhancement log report for hour ")
+                .append(bucket)
+                .append(".\n\n")
+                .append("Noise classification:\n")
+                .append(noiseSummaryText(noiseSummary))
+                .append("\nGuidance: repeated peer availability, remote search miss, and logreport self-observation noise should be summarized as operational background unless it correlates with user-visible failure, long latency, or a repeated code exception.\n\n")
+                .append("Use these fixed sections:\n")
+                .append("1. Summary / key takeaway\n")
+                .append("2. Usage types\n")
+                .append("3. Challenges\n")
+                .append("4. Errors and risks\n")
+                .append("5. Possible improvements\n")
+                .append("6. Concrete actions\n\n")
+                .append("Each concrete action must identify the log trigger and expected effect. ")
+                .append("Do not include secrets, credentials, or raw user content beyond what already appears in the log metadata.\n\n")
+                .append("Log lines:\n");
+        for (final String line : lines) {
+            prompt.append(line).append('\n');
+        }
+        return prompt.toString();
+    }
+
+    private static NoiseSummary classifyNoise(final List<String> lines) {
+        final NoiseSummary summary = new NoiseSummary(lines == null ? 0 : lines.size());
+        if (lines == null || lines.isEmpty()) return summary;
+        for (final String line : lines) {
+            final String category = noiseCategory(line);
+            if (category == null) continue;
+            NoiseBucket bucket = summary.buckets.get(category);
+            if (bucket == null) {
+                bucket = new NoiseBucket();
+                summary.buckets.put(category, bucket);
+            }
+            bucket.count++;
+            if (bucket.examples.size() < NOISE_EXAMPLE_LIMIT) {
+                bucket.examples.add(LogRedaction.redact(line));
+            }
+        }
+        return summary;
+    }
+
+    private static String noiseCategory(final String line) {
+        if (line == null || line.isEmpty()) return null;
+        final String normalized = line.toLowerCase();
+        if (normalized.contains("network") && normalized.contains("publish: disconnected")) {
+            return "peer-publish-disconnected";
+        }
+        if (normalized.contains("remote search - no answer from remote peer")) {
+            return "remote-search-no-answer";
+        }
+        if (normalized.contains("remote search - interrupted search to remote peer")) {
+            return "remote-search-interrupted";
+        }
+        if (normalized.contains("transfer to peer") && normalized.contains("failed")) {
+            return "peer-transfer-failed";
+        }
+        if (normalized.contains("found not enough") && normalized.contains("peers for distribution")) {
+            return "dht-not-enough-peers";
+        }
+        if (normalized.contains("logreport") && (normalized.contains("discovered ") || normalized.contains("no log reports discovered"))) {
+            return "logreport-self-observation";
+        }
+        if (normalized.contains("event=model-routing phase=select") || normalized.contains("event=model-routing phase=miss")) {
+            return "llm-routing-observation";
+        }
+        return null;
+    }
+
+    private static String noiseSummaryText(final NoiseSummary summary) {
+        if (summary == null || summary.buckets.isEmpty()) {
+            return "- Classified noise lines: 0 / " + (summary == null ? 0 : summary.totalLines) + "\n";
+        }
+        final StringBuilder text = new StringBuilder(512);
+        text.append("- Classified noise lines: ")
+                .append(summary.classifiedLines())
+                .append(" / ")
+                .append(summary.totalLines)
+                .append('\n');
+        for (final Map.Entry<String, NoiseBucket> entry : summary.buckets.entrySet()) {
+            text.append("- ")
+                    .append(entry.getKey())
+                    .append(": ")
+                    .append(entry.getValue().count)
+                    .append('\n');
+            for (final String example : entry.getValue().examples) {
+                text.append("  example: ").append(example).append('\n');
+            }
+        }
+        return text.toString();
+    }
+
+    private static Map<LocalDate, List<File>> completeHourlyReportSets(final File reportDirectory) {
+        final File[] files = reportDirectory.listFiles();
+        if (files == null || files.length == 0) return Collections.emptyMap();
+
+        final Map<LocalDate, List<File>> candidates = new TreeMap<>();
+        for (final File file : files) {
+            if (!file.isFile()) continue;
+            final LocalDateTime hour = parseHourlyReportFilename(file.getName());
+            if (hour == null) continue;
+            final LocalDate day = hour.toLocalDate();
+            List<File> dayFiles = candidates.get(day);
+            if (dayFiles == null) {
+                dayFiles = new ArrayList<>();
+                candidates.put(day, dayFiles);
+            }
+            dayFiles.add(file);
+        }
+
+        final Map<LocalDate, List<File>> complete = new TreeMap<>();
+        for (final Map.Entry<LocalDate, List<File>> entry : candidates.entrySet()) {
+            if (entry.getValue().size() != 24) continue;
+            final List<File> ordered = hourlyFilesForDay(reportDirectory, entry.getKey());
+            if (ordered.size() == 24) complete.put(entry.getKey(), ordered);
+        }
+        return complete;
+    }
+
+    private static LocalDateTime parseHourlyReportFilename(final String filename) {
+        if (filename == null || !filename.matches("report-\\d{4}-\\d{2}-\\d{2}-\\d{2}\\.md")) return null;
+        try {
+            return LocalDateTime.parse(filename, HOURLY_REPORT_FORMATTER);
+        } catch (final RuntimeException e) {
+            log.warn("Could not parse hourly log report filename " + filename + ": " + e.getMessage());
+            return null;
+        }
+    }
+
+    private static LocalDate parseDailyReportFilename(final String filename) {
+        if (filename == null || !filename.matches("report-\\d{4}-\\d{2}-\\d{2}\\.md")) return null;
+        try {
+            return LocalDate.parse(filename, DAILY_REPORT_FORMATTER);
+        } catch (final RuntimeException e) {
+            log.warn("Could not parse daily log report filename " + filename + ": " + e.getMessage());
+            return null;
+        }
+    }
+
+    private static ReportEntry reportEntry(final File file) {
+        final String filename = file.getName();
+        try {
+            final LocalDate daily = parseDailyReportFilename(filename);
+            if (daily != null) {
+                final ZonedDateTime published = daily.atTime(LocalTime.MAX).atZone(REPORT_ZONE);
+                return new ReportEntry(filename, "YaCy daily log report " + daily, published, readFile(file), true);
+            }
+            final LocalDateTime hourly = parseHourlyReportFilename(filename);
+            if (hourly != null) {
+                final ZonedDateTime published = hourly.atZone(REPORT_ZONE);
+                return new ReportEntry(filename, "YaCy hourly log report " + hourly, published, readFile(file), false);
+            }
+        } catch (final IOException e) {
+            log.warn("Could not read log report " + file.getAbsolutePath() + ": " + e.getMessage());
+        }
+        log.info("Ignoring file in log report directory because it does not match a report filename: " + file.getAbsolutePath());
+        return null;
+    }
+
+    private static String readFile(final File file) throws IOException {
+        return new String(Files.readAllBytes(file.toPath()), StandardCharsets.UTF_8);
+    }
+
+    private static List<File> hourlyFilesForDay(final File reportDirectory, final LocalDate day) {
+        final List<File> files = new ArrayList<>(24);
+        for (int hour = 0; hour < 24; hour++) {
+            final File file = new File(reportDirectory, hourlyReportFilename(day.atTime(hour, 0)));
+            if (!file.isFile()) return Collections.emptyList();
+            files.add(file);
+        }
+        return files;
+    }
+
+    private static String dailyPrompt(final LocalDate day, final List<File> hourlyReports) throws IOException {
+        final StringBuilder prompt = new StringBuilder(4096);
+        prompt.append("Create one consolidated YaCy self-enhancement report for ")
+                .append(day)
+                .append(" from the following hourly log reports.\n\n")
+                .append("Use these fixed sections:\n")
+                .append("1. Summary / key takeaway\n")
+                .append("2. Usage types\n")
+                .append("3. Challenges\n")
+                .append("4. Errors and risks\n")
+                .append("5. Possible improvements\n")
+                .append("6. Concrete actions\n\n")
+                .append("Find common patterns across the day. Each concrete action must identify the repeated log trigger and expected effect.\n\n");
+        for (final File hourlyReport : hourlyReports) {
+            prompt.append("\n\n## ").append(hourlyReport.getName()).append("\n\n")
+                    .append(new String(Files.readAllBytes(hourlyReport.toPath()), StandardCharsets.UTF_8));
+        }
+        return prompt.toString();
+    }
+
+    private static String reportDocument(final LocalDateTime bucket, final int lineCount, final String report) {
+        final StringBuilder document = new StringBuilder(report.length() + 256);
+        document.append("# YaCy Log Report\n\n")
+                .append("- Bucket: ").append(bucket).append('\n')
+                .append("- Lines: ").append(lineCount).append('\n')
+                .append("- Generated: ").append(LocalDateTime.now()).append("\n\n")
+                .append(report.trim())
+                .append('\n');
+        return document.toString();
+    }
+
+    private static String dailyReportDocument(final LocalDate day, final int hourlyReportCount, final String report) {
+        final StringBuilder document = new StringBuilder(report.length() + 256);
+        document.append("# YaCy Daily Log Report\n\n")
+                .append("- Day: ").append(day).append('\n')
+                .append("- Hourly reports: ").append(hourlyReportCount).append('\n')
+                .append("- Generated: ").append(LocalDateTime.now()).append("\n\n")
+                .append(report.trim())
+                .append('\n');
+        return document.toString();
+    }
+
+    private static void deleteHourlyReports(final List<File> hourlyReports) {
+        for (final File hourlyReport : hourlyReports) {
+            if (!hourlyReport.delete()) {
+                log.warn("Could not delete hourly log report after daily compression: " + hourlyReport.getAbsolutePath());
+            }
+        }
+    }
+
+    private static void writeReport(final File reportFile, final String report) throws IOException {
+        writeReport(reportFile, report, false);
+    }
+
+    private static void writeReport(final File reportFile, final String report, final boolean replaceExisting) throws IOException {
+        final File parent = reportFile.getParentFile();
+        if (parent != null && !parent.exists() && !parent.mkdirs()) {
+            throw new IOException("cannot create directory " + parent.getAbsolutePath());
+        }
+        final File tmpFile = File.createTempFile(reportFile.getName() + ".", ".tmp", parent);
+        Files.write(tmpFile.toPath(), report.getBytes(StandardCharsets.UTF_8));
+        try {
+            if (replaceExisting) {
+                Files.move(tmpFile.toPath(), reportFile.toPath(), StandardCopyOption.ATOMIC_MOVE, StandardCopyOption.REPLACE_EXISTING);
+            } else {
+                Files.move(tmpFile.toPath(), reportFile.toPath(), StandardCopyOption.ATOMIC_MOVE);
+            }
+        } catch (final AtomicMoveNotSupportedException e) {
+            if (replaceExisting) {
+                Files.move(tmpFile.toPath(), reportFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
+            } else {
+                Files.move(tmpFile.toPath(), reportFile.toPath());
+            }
+        }
+    }
+}
diff --git a/source/net/yacy/ai/RAGAugmentor.java b/source/net/yacy/ai/RAGAugmentor.java
index a2dde813c..d2f38520d 100644
--- a/source/net/yacy/ai/RAGAugmentor.java
+++ b/source/net/yacy/ai/RAGAugmentor.java
@@ -41,6 +41,7 @@ import net.yacy.cora.federate.yacy.CacheStrategy;
 import net.yacy.cora.lod.vocabulary.Tagging;
 import net.yacy.cora.protocol.ClientIdentification;
 import net.yacy.cora.util.ConcurrentLog;
+import net.yacy.cora.util.LogRedaction;
 import net.yacy.kelondro.data.meta.URIMetadataNode;
 import net.yacy.search.Switchboard;
 import net.yacy.search.SwitchboardConstants;
@@ -99,8 +100,12 @@ public final class RAGAugmentor {
      * @return JSON array with {@code url,title[,text]} entries
      */
     public static JSONArray searchResults(String query, int count, final boolean includeSnippet) {
+        return searchResults(query, count, includeSnippet, null);
+    }
+
+    public static JSONArray searchResults(String query, int count, final boolean includeSnippet, final String runId) {
         final QueryParams theQuery = buildTextQueryParams(query, count, QueryParams.Searchdom.LOCAL);
-        return searchResults(theQuery, count, includeSnippet);
+        return searchResults(theQuery, count, includeSnippet, runId);
     }
 
     /**
@@ -112,9 +117,13 @@ public final class RAGAugmentor {
      * @return markdown context block
      */
     public static String searchResultsAsMarkdown(String query, int count, boolean global) {
+        return searchResultsAsMarkdown(query, count, global, null);
+    }
+
+    public static String searchResultsAsMarkdown(String query, int count, boolean global, final String runId) {
         final long searchStart = System.currentTimeMillis();
-        JSONArray searchResults = global ? searchResultsGlobal(query, count, true) : searchResults(query, count, true);
-        ConcurrentLog.info("RAGProxy", "searchResults=" + searchResults.length() + " global=" + global + " searchMs=" + (System.currentTimeMillis() - searchStart));
+        JSONArray searchResults = global ? searchResultsGlobal(query, count, true, runId) : searchResults(query, count, true, runId);
+        ConcurrentLog.info("RAGProxy", prefix(runId) + "event=rag-search phase=results resultCount=" + searchResults.length() + " global=" + global + " searchMs=" + (System.currentTimeMillis() - searchStart));
         StringBuilder sb = new StringBuilder();
 
         for (int i = 0; i < searchResults.length(); i++) {
@@ -135,7 +144,7 @@ public final class RAGAugmentor {
         }
 
         final String markdown = truncateSearchDocument(sb.toString());
-        ConcurrentLog.info("RAGProxy", "markdownChars=" + markdown.length() + " resultCount=" + searchResults.length());
+        ConcurrentLog.info("RAGProxy", prefix(runId) + "event=rag-search phase=markdown markdownChars=" + markdown.length() + " resultCount=" + searchResults.length());
         return markdown;
     }
 
@@ -184,8 +193,12 @@ public final class RAGAugmentor {
      * @return JSON array with normalized result objects
      */
     public static JSONArray searchResultsGlobal(String query, int count, final boolean includeSnippet) {
+        return searchResultsGlobal(query, count, includeSnippet, null);
+    }
+
+    public static JSONArray searchResultsGlobal(String query, int count, final boolean includeSnippet, final String runId) {
         final QueryParams theQuery = buildTextQueryParams(query, count, QueryParams.Searchdom.GLOBAL);
-        return searchResults(theQuery, count, includeSnippet);
+        return searchResults(theQuery, count, includeSnippet, runId);
     }
 
     /**
@@ -199,9 +212,23 @@ public final class RAGAugmentor {
      * @return JSON array with normalized result objects
      */
     private static JSONArray searchResults(final QueryParams theQuery, final int count, final boolean includeSnippet) {
+        return searchResults(theQuery, count, includeSnippet, null);
+    }
+
+    private static JSONArray searchResults(final QueryParams theQuery, final int count, final boolean includeSnippet, final String runId) {
+        final long start = System.currentTimeMillis();
         final JSONArray results = new JSONArray();
-        if (theQuery == null || count == 0) return results;
+        if (theQuery == null || count == 0) {
+            ConcurrentLog.info("RAGProxy", prefix(runId) + "event=rag-search phase=skip reason=empty-query count=" + count);
+            return results;
+        }
         final Switchboard sb = Switchboard.getSwitchboard();
+        if (sb == null) {
+            ConcurrentLog.warn("RAGProxy", prefix(runId) + "event=rag-search phase=fail reason=switchboard-unavailable");
+            return results;
+        }
+        final boolean globalSearch = !theQuery.isLocal();
+        ConcurrentLog.info("RAGProxy", prefix(runId) + "event=rag-search phase=start global=" + globalSearch + " count=" + count + " includeSnippet=" + includeSnippet);
         final SearchEvent theSearch = SearchEventCache.getEvent(
                 theQuery,
                 sb.peers,
@@ -218,7 +245,6 @@ public final class RAGAugmentor {
         final long timeout = sb.getConfigLong(
                 SwitchboardConstants.REMOTESEARCH_MAXTIME_USER,
                 sb.getConfigLong(SwitchboardConstants.REMOTESEARCH_MAXTIME_DEFAULT, 3000));
-        final boolean globalSearch = !theQuery.isLocal();
         if (globalSearch) {
             theSearch.resortCachedResults();
         } else {
@@ -255,8 +281,10 @@ public final class RAGAugmentor {
                 results.put(result);
                 resultIndex++;
             } catch (JSONException e) {
+                ConcurrentLog.warn("RAGProxy", prefix(runId) + "event=rag-search phase=result result=failure errorClass=" + e.getClass().getName() + " reason=" + LogRedaction.redactMessage(e));
             }
         }
+        ConcurrentLog.info("RAGProxy", prefix(runId) + "event=rag-search phase=end result=success global=" + globalSearch + " requested=" + count + " returned=" + results.length() + " includeSnippet=" + includeSnippet + " durationMs=" + (System.currentTimeMillis() - start));
         return results;
     }
 
@@ -332,17 +360,29 @@ public final class RAGAugmentor {
      * @return space-separated lowercase term list or {@code null} on failure
      */
     public static String searchWordsForPrompt(final LLM llm, final String model, final String prompt, final String systemPrompt) {
+        return searchWordsForPrompt(llm, model, prompt, systemPrompt, null);
+    }
+
+    public static String searchWordsForPrompt(final LLM llm, final String model, final String prompt, final String systemPrompt, final String runId) {
+        final long start = System.currentTimeMillis();
         final String question = prompt == null ? "" : prompt.trim();
         final String instruction = systemPrompt == null || systemPrompt.trim().isEmpty()
                 ? "Compress the user prompt into a short search description. Return only a JSON array of concise, discriminative search terms in lowercase."
                 : systemPrompt.trim();
-        if (llm == null || model == null || model.isEmpty()) return null;
+        if (llm == null || model == null || model.isEmpty()) {
+            ConcurrentLog.warn("RAGProxy", prefix(runId) + "event=rag-query-generation phase=skip reason=no-model promptChars=" + question.length());
+            return null;
+        }
         try {
+            ConcurrentLog.info("RAGProxy", prefix(runId) + "event=rag-query-generation phase=model-call model=" + LogRedaction.redact(model) + " backend=" + LogRedaction.redact(llm.hoststub) + " promptChars=" + question.length() + " promptWords=" + wordCount(question));
             LLM.Context context = new LLM.Context(instruction);
             context.addPrompt(question);
             Set<String> singlewords = new LinkedHashSet<>();
             String[] a = LLM.stringsFromChat(llm.chat(model, context, LLM.listSchema, 200));
-            if (a == null || a.length == 0) return null;
+            if (a == null || a.length == 0) {
+                ConcurrentLog.warn("RAGProxy", prefix(runId) + "event=rag-query-generation phase=model-return result=empty durationMs=" + (System.currentTimeMillis() - start));
+                return null;
+            }
             for (String s: a) {
                 if (s == null) continue;
                 // Flatten model output into unique lowercased tokens.
@@ -353,13 +393,25 @@ public final class RAGAugmentor {
             for (String s: singlewords) query.append(s).append(' ');
             String querys = query.toString().trim();
             if (querys.length() == 0) return null;
+            ConcurrentLog.info("RAGProxy", prefix(runId) + "event=rag-query-generation phase=end result=success terms=" + singlewords.size() + " queryChars=" + querys.length() + " durationMs=" + (System.currentTimeMillis() - start));
             return querys;
         } catch (IOException | JSONException e) {
-            e.printStackTrace();
+            ConcurrentLog.warn("RAGProxy", prefix(runId) + "event=rag-query-generation phase=end result=failure errorClass=" + e.getClass().getName() + " reason=" + LogRedaction.redactMessage(e) + " durationMs=" + (System.currentTimeMillis() - start));
             return null;
         }
     }
 
+    private static String prefix(final String runId) {
+        return runId == null || runId.isEmpty() ? "" : "runId=" + runId + " ";
+    }
+
+    private static int wordCount(final String text) {
+        if (text == null) return 0;
+        final String trimmed = text.trim();
+        if (trimmed.isEmpty()) return 0;
+        return trimmed.split("\\s+").length;
+    }
+
     /**
      * Splits text into sentence-aware chunks around a target max length.
      *
diff --git a/source/net/yacy/ai/ToolCallProtocol.java b/source/net/yacy/ai/ToolCallProtocol.java
index 2eab71687..d3e33dbaf 100644
--- a/source/net/yacy/ai/ToolCallProtocol.java
+++ b/source/net/yacy/ai/ToolCallProtocol.java
@@ -43,6 +43,8 @@ import org.json.JSONException;
 import org.json.JSONObject;
 import org.json.JSONTokener;
 
+import net.yacy.cora.util.ConcurrentLog;
+import net.yacy.cora.util.LogRedaction;
 
 /**
  * Implements the protocol glue for streamed chat completions that include tool
@@ -63,6 +65,8 @@ import org.json.JSONTokener;
  */
 public final class ToolCallProtocol {
 
+    private static final ConcurrentLog log = new ConcurrentLog("TOOLCALL");
+
     /**
      * Hard stop to prevent infinite tool loops (assistant requests tool calls
      * repeatedly without converging to a final answer).
@@ -117,16 +121,24 @@ public final class ToolCallProtocol {
      * @throws IOException on network/stream/protocol errors
      */
     public static int proxyToolLifecycle(ServletOutputStream out, LLM.LLMModel llm4Chat, JSONObject originalBody, JSONArray messages, JSONObject initialMetadata) throws IOException {
+        return proxyToolLifecycle(out, llm4Chat, originalBody, messages, initialMetadata, null);
+    }
+
+    public static int proxyToolLifecycle(ServletOutputStream out, LLM.LLMModel llm4Chat, JSONObject originalBody, JSONArray messages, JSONObject initialMetadata, final String runId) throws IOException {
+        final long start = System.currentTimeMillis();
         final JSONObject preparedBody = prepareToolRequestBody(originalBody, false, llm4Chat != null && llm4Chat.tooling);
         if (llm4Chat != null && llm4Chat.thinking) {
             LLM.applyNoThinkingParameters(preparedBody);
         }
+        log.info(prefix(runId) + "event=tool-lifecycle phase=start tooling=" + (llm4Chat != null && llm4Chat.tooling) + " thinking=" + (llm4Chat != null && llm4Chat.thinking) + " messages=" + (messages == null ? 0 : messages.length()) + " metadata=" + (initialMetadata == null ? 0 : initialMetadata.length()));
         final HttpURLConnection conn = openChatCompletionConnection(llm4Chat, preparedBody);
         final int status = conn.getResponseCode();
         //final String message = conn.getResponseMessage();
         if (status == 200) {
-            handleInitialStreamAndContinue(out, conn, llm4Chat, preparedBody, messages, initialMetadata);
+            handleInitialStreamAndContinue(out, conn, llm4Chat, preparedBody, messages, initialMetadata, runId);
+            log.info(prefix(runId) + "event=tool-lifecycle phase=end result=success status=" + status + " durationMs=" + (System.currentTimeMillis() - start));
         } else {
+            log.warn(prefix(runId) + "event=tool-lifecycle phase=end result=upstream-error status=" + status + " reason=" + LogRedaction.redact(conn.getResponseMessage()) + " durationMs=" + (System.currentTimeMillis() - start));
             Logger.getLogger("ToolCallProtocoll").severe(status + " " + conn.getResponseMessage());
         }
         return status;
@@ -196,6 +208,11 @@ public final class ToolCallProtocol {
      * @throws IOException on I/O errors
      */
     private static void handleInitialStreamAndContinue(ServletOutputStream out, HttpURLConnection conn, LLM.LLMModel llm4Chat, JSONObject originalBody, JSONArray messages, JSONObject initialMetadata) throws IOException {
+        handleInitialStreamAndContinue(out, conn, llm4Chat, originalBody, messages, initialMetadata, null);
+    }
+
+    private static void handleInitialStreamAndContinue(ServletOutputStream out, HttpURLConnection conn, LLM.LLMModel llm4Chat, JSONObject originalBody, JSONArray messages, JSONObject initialMetadata, final String runId) throws IOException {
+        final long start = System.currentTimeMillis();
         final StringBuilder assistantContent = new StringBuilder();
         final Map<Integer, ToolCall> toolCalls = new HashMap<>();
         final boolean[] sawToolCalls = new boolean[]{false};
@@ -232,8 +249,9 @@ public final class ToolCallProtocol {
             conn.disconnect();
         }
 
+        log.info(prefix(runId) + "event=tool-stream phase=initial-end sawToolCalls=" + sawToolCalls[0] + " toolCalls=" + toolCalls.size() + " assistantChars=" + assistantContent.length() + " durationMs=" + (System.currentTimeMillis() - start));
         if (sawToolCalls[0]) {
-            handleToolCallsAndContinue(out, llm4Chat, originalBody, messages, assistantContent.toString(), toolCalls);
+            handleToolCallsAndContinue(out, llm4Chat, originalBody, messages, assistantContent.toString(), toolCalls, runId);
         }
     }
 
@@ -259,6 +277,11 @@ public final class ToolCallProtocol {
      * @throws IOException when network I/O or JSON processing fails
      */
     public static void handleToolCallsAndContinue(ServletOutputStream out, LLM.LLMModel llm4Chat, JSONObject originalBody, JSONArray messages, String assistantContent, Map<Integer, ToolCall> toolCalls) throws IOException {
+        handleToolCallsAndContinue(out, llm4Chat, originalBody, messages, assistantContent, toolCalls, null);
+    }
+
+    public static void handleToolCallsAndContinue(ServletOutputStream out, LLM.LLMModel llm4Chat, JSONObject originalBody, JSONArray messages, String assistantContent, Map<Integer, ToolCall> toolCalls, final String runId) throws IOException {
+        final long start = System.currentTimeMillis();
         try {
             // Work on a copy so caller-owned message arrays are not modified unexpectedly.
             JSONArray newMessages = new JSONArray();
@@ -272,9 +295,10 @@ public final class ToolCallProtocol {
 
             for (int round = 0; round < MAX_TOOL_ROUNDS; round++) {
                 // Convert captured tool calls into assistant/tool messages and execute tools.
-                ToolRoundData roundData = appendAssistantAndToolMessages(newMessages, roundAssistantContent, roundToolCalls, toolCallCounters);
+                ToolRoundData roundData = appendAssistantAndToolMessages(newMessages, roundAssistantContent, roundToolCalls, toolCallCounters, runId, round);
                 if (roundData == null || roundData.toolResults.length() == 0) {
                     // No executable tool calls; terminate stream cleanly.
+                    log.info(prefix(runId) + "event=tool-round phase=end round=" + round + " result=no-executable-tool-calls requested=" + (roundToolCalls == null ? 0 : roundToolCalls.size()));
                     out.println("data: [DONE]");
                     out.flush();
                     return;
@@ -286,9 +310,11 @@ public final class ToolCallProtocol {
                     LLM.applyNoThinkingParameters(followup);
                 }
                 followup.put("messages", newMessages);
+                log.info(prefix(runId) + "event=tool-round phase=followup-call round=" + round + " toolResults=" + roundData.toolResults.length() + " messages=" + newMessages.length());
                 final HttpURLConnection followConn = openChatCompletionConnection(llm4Chat, followup);
                 if (followConn.getResponseCode() != 200) {
                     // Upstream error: close downstream stream instead of sending broken chunks.
+                    log.warn(prefix(runId) + "event=tool-round phase=followup-return round=" + round + " result=upstream-error status=" + followConn.getResponseCode() + " reason=" + LogRedaction.redact(followConn.getResponseMessage()));
                     out.println("data: [DONE]");
                     out.flush();
                     followConn.disconnect();
@@ -337,16 +363,22 @@ public final class ToolCallProtocol {
                 // Ignore phantom rounds where stream signaled tool-calls but no concrete calls were parsed.
                 if (nextToolCalls.isEmpty()) sawToolCalls[0] = false;
                 // Final answer reached; caller already received forwarded stream lines.
-                if (!sawToolCalls[0]) return;
+                if (!sawToolCalls[0]) {
+                    log.info(prefix(runId) + "event=tool-round phase=end round=" + round + " result=final-answer toolResults=" + roundData.toolResults.length() + " assistantChars=" + nextAssistantContent.length() + " durationMs=" + (System.currentTimeMillis() - start));
+                    return;
+                }
 
                 // Continue with next round tool request that was found in follow-up stream.
+                log.info(prefix(runId) + "event=tool-round phase=continue round=" + round + " nextToolCalls=" + nextToolCalls.size() + " assistantChars=" + nextAssistantContent.length());
                 roundAssistantContent = nextAssistantContent.toString();
                 roundToolCalls = nextToolCalls;
             }
             // Safety fallback when round cap is hit.
+            log.warn(prefix(runId) + "event=tool-lifecycle phase=end result=max-rounds maxRounds=" + MAX_TOOL_ROUNDS + " durationMs=" + (System.currentTimeMillis() - start));
             out.println("data: [DONE]");
             out.flush();
         } catch (JSONException e) {
+            log.warn(prefix(runId) + "event=tool-lifecycle phase=end result=failure errorClass=" + e.getClass().getName() + " reason=" + LogRedaction.redactMessage(e) + " durationMs=" + (System.currentTimeMillis() - start));
             throw new IOException("JSON processing error in tool handling", e);
         }
     }
@@ -442,6 +474,10 @@ public final class ToolCallProtocol {
      *         results, or {@code null} when JSON assembly fails
      */
     private static ToolRoundData appendAssistantAndToolMessages(JSONArray messages, String assistantContent, Map<Integer, ToolCall> toolCalls, Map<String, Integer> toolCallCounters) {
+        return appendAssistantAndToolMessages(messages, assistantContent, toolCalls, toolCallCounters, null, -1);
+    }
+
+    private static ToolRoundData appendAssistantAndToolMessages(JSONArray messages, String assistantContent, Map<Integer, ToolCall> toolCalls, Map<String, Integer> toolCallCounters, final String runId, final int round) {
         try {
             // Keep original model call order stable by sorting call indices.
             List<Integer> indices = new ArrayList<>(toolCalls.keySet());
@@ -460,7 +496,10 @@ public final class ToolCallProtocol {
                 final String toolName = call.name == null ? "" : call.name.trim();
                 final int maxCalls = net.yacy.ai.ToolProvider.maxCallsPerTurn(toolName);
                 final int usedCalls = toolCallCounters.getOrDefault(toolName, Integer.valueOf(0)).intValue();
-                if (usedCalls >= maxCalls) continue;
+                if (usedCalls >= maxCalls) {
+                    log.warn(prefix(runId) + "event=tool-execution phase=skip round=" + round + " tool=" + LogRedaction.redact(toolName) + " reason=max-calls used=" + usedCalls + " max=" + maxCalls);
+                    continue;
+                }
 
                 // Assistant message representation of requested tool call.
                 JSONObject toolCallJson = new JSONObject(true);
@@ -473,7 +512,10 @@ public final class ToolCallProtocol {
                 toolCallsArray.put(toolCallJson);
 
                 // Execute tool locally and create "tool" role response message.
+                final long toolStart = System.currentTimeMillis();
+                log.info(prefix(runId) + "event=tool-execution phase=start round=" + round + " tool=" + LogRedaction.redact(call.name) + " argumentChars=" + (call.arguments == null ? 0 : call.arguments.length()));
                 String result = net.yacy.ai.ToolProvider.executeTool(call.name, call.arguments);
+                log.info(prefix(runId) + "event=tool-execution phase=end round=" + round + " tool=" + LogRedaction.redact(call.name) + " resultChars=" + (result == null ? 0 : result.length()) + " durationMs=" + (System.currentTimeMillis() - toolStart));
                 JSONObject toolMessage = new JSONObject(true);
                 toolMessage.put("role", "tool");
                 toolMessage.put("tool_call_id", call.id);
@@ -506,10 +548,15 @@ public final class ToolCallProtocol {
 
             return new ToolRoundData(toolCallsArray, toolResults);
         } catch (JSONException e) {
+            log.warn(prefix(runId) + "event=tool-execution phase=end round=" + round + " result=failure errorClass=" + e.getClass().getName() + " reason=" + LogRedaction.redactMessage(e));
             return null;
         }
     }
 
+    private static String prefix(final String runId) {
+        return runId == null || runId.isEmpty() ? "" : "runId=" + runId + " ";
+    }
+
     /**
      * Injects tool metadata into one outbound SSE line if the line contains JSON
      * data.
diff --git a/source/net/yacy/cora/util/LogRedaction.java b/source/net/yacy/cora/util/LogRedaction.java
new file mode 100644
index 000000000..9ccc28ccd
--- /dev/null
+++ b/source/net/yacy/cora/util/LogRedaction.java
@@ -0,0 +1,54 @@
+/**
+ *  LogRedaction
+ *  Copyright 2026 by contributors to the YaCy project
+ *  First released 27.06.2026 at https://yacy.net
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program in the file lgpl21.txt
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.yacy.cora.util;
+
+import java.util.regex.Pattern;
+
+/**
+ * Redacts common credential shapes before values are written to operator logs.
+ */
+public final class LogRedaction {
+
+    private static final String REDACTED = "[REDACTED]";
+    private static final Pattern AUTHORIZATION_HEADER = Pattern.compile("(?i)(authorization\\s*[:=]\\s*)(bearer\\s+|basic\\s+)?([^\\s,;]+)");
+    private static final Pattern COOKIE_HEADER = Pattern.compile("(?i)(cookie\\s*[:=]\\s*)([^\\r\\n]+)");
+    private static final Pattern SENSITIVE_ASSIGNMENT = Pattern.compile("(?i)\\b(api[_-]?key|access[_-]?token|auth[_-]?token|token|secret|password|passwd|pwd|login)\\b\\s*[:=]\\s*([^\\s,;&]+)");
+    private static final Pattern SENSITIVE_QUERY = Pattern.compile("(?i)([?&](?:api[_-]?key|access[_-]?token|auth[_-]?token|token|secret|password|passwd|pwd|login)=)([^&#\\s]+)");
+    private static final Pattern URL_USERINFO = Pattern.compile("(?i)(https?://)([^/@\\s:]+):([^/@\\s]+)@");
+
+    private LogRedaction() {
+    }
+
+    public static String redact(final String value) {
+        if (value == null || value.isEmpty()) return value;
+        String redacted = URL_USERINFO.matcher(value).replaceAll("$1" + REDACTED + ":" + REDACTED + "@");
+        redacted = AUTHORIZATION_HEADER.matcher(redacted).replaceAll("$1$2" + REDACTED);
+        redacted = COOKIE_HEADER.matcher(redacted).replaceAll("$1" + REDACTED);
+        redacted = SENSITIVE_QUERY.matcher(redacted).replaceAll("$1" + REDACTED);
+        redacted = SENSITIVE_ASSIGNMENT.matcher(redacted).replaceAll("$1=" + REDACTED);
+        return redacted;
+    }
+
+    public static String redactMessage(final Throwable error) {
+        if (error == null) return "";
+        return redact(error.getMessage());
+    }
+}
diff --git a/source/net/yacy/htroot/AILab.java b/source/net/yacy/htroot/AILab.java
index 3ba072dad..b6aefa3d7 100644
--- a/source/net/yacy/htroot/AILab.java
+++ b/source/net/yacy/htroot/AILab.java
@@ -12,6 +12,7 @@ import org.json.JSONException;
 import org.json.JSONObject;
 import org.json.JSONTokener;
 
+import net.yacy.ai.LogReportService;
 import net.yacy.cora.protocol.RequestHeader;
 import net.yacy.search.Switchboard;
 import net.yacy.server.serverObjects;
@@ -87,6 +88,7 @@ public class AILab {
         prop.put("ailab_rag_status", hasEngine && hasModel && (hasRagRole || ragVisited) ? "ready" : "pending");
         prop.put("ailab_tools_status", hasToolsConfig ? "ready" : "pending");
         prop.put("ailab_shield_status", hasShield ? "ready" : "pending");
+        prop.put("ailab_logreports_status", LogReportService.hasConfiguredLogReportModel() ? "ready" : "pending");
 
         return prop;
     }
diff --git a/source/net/yacy/htroot/LLMSelection_p.java b/source/net/yacy/htroot/LLMSelection_p.java
index 03229a9ce..960a3e985 100644
--- a/source/net/yacy/htroot/LLMSelection_p.java
+++ b/source/net/yacy/htroot/LLMSelection_p.java
@@ -76,6 +76,11 @@ public class LLMSelection_p {
         return service + "|" + hoststub + "|" + model;
     }
 
+    private static boolean optBooleanRole(final JSONObject row, final String canonicalKey, final String displayKey) {
+        if (row == null) return false;
+        return row.optBoolean(canonicalKey, row.optBoolean(displayKey, false));
+    }
+
     private static JSONObject normalizeProductionModelRow(final JSONObject row) throws JSONException {
         final JSONObject normalized = new JSONObject(true);
         normalized.put("service", row.optString("service", "OLLAMA"));
@@ -91,6 +96,7 @@ public class LLMSelection_p {
         normalized.put("query", false);
         normalized.put("qapairs", false);
         normalized.put("tldr", row.optBoolean("tldr", false));
+        normalized.put("logreport", optBooleanRole(row, "logreport", "log-report"));
 
         normalized.put("thinking", row.optBoolean("thinking", false));
         normalized.put("tooling", row.optBoolean("tooling", false));
@@ -186,6 +192,7 @@ public class LLMSelection_p {
                 prop.put("productionmodels_" + i + "_query", row.optBoolean("query", false));
                 prop.put("productionmodels_" + i + "_qapairs", row.optBoolean("qapairs", false));
                 prop.put("productionmodels_" + i + "_tldr", row.optBoolean("tldr", false));
+                prop.put("productionmodels_" + i + "_logreport", row.optBoolean("logreport", false));
                 
                 final String key = capabilityKey(row);
                 JSONObject capabilityEntry = key.isEmpty() ? null : capabilities.optJSONObject(key);
diff --git a/source/net/yacy/htroot/LogReports_p.java b/source/net/yacy/htroot/LogReports_p.java
new file mode 100644
index 000000000..2a62e20d1
--- /dev/null
+++ b/source/net/yacy/htroot/LogReports_p.java
@@ -0,0 +1,94 @@
+/**
+ *  LogReports_p
+ *  Copyright 2026 by contributors to the YaCy project
+ *  First released 27.06.2026 at https://yacy.net
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ */
+
+package net.yacy.htroot;
+
+import java.io.File;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+
+import net.yacy.ai.LogReportService;
+import net.yacy.ai.LogReportService.ReportEntry;
+import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.search.Switchboard;
+import net.yacy.server.serverObjects;
+import net.yacy.server.serverSwitch;
+
+public class LogReports_p {
+
+    public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
+        final Switchboard sb = (Switchboard) env;
+        final serverObjects prop = new serverObjects();
+        final LogReportService service = new LogReportService(sb);
+        final File reportDirectory = service.getReportDirectory();
+
+        final int configuredMax = sb.getConfigInt(LogReportService.CONFIG_FEED_MAX_ENTRIES, LogReportService.DEFAULT_FEED_MAX_ENTRIES);
+        final int requestedMax = post == null ? Math.min(20, configuredMax) : post.getInt("count", Math.min(20, configuredMax));
+        final int maxEntries = Math.max(0, Math.min(requestedMax, configuredMax));
+
+        sb.setConfig("ui.LogReports_p.visited", "true");
+
+        prop.put("runReportResult", "0");
+        prop.putHTML("runReportFile", "");
+        prop.putHTML("runReportResult_runReportFile", "");
+        prop.putNum("runReportResult_runReportDurationSeconds", 0);
+        if (post != null && post.containsKey("runReportNow")) {
+            final long start = System.currentTimeMillis();
+            try {
+                final File reportFile = service.generateCurrentHourReportOverwrite();
+                final long durationSeconds = Math.max(0L, (System.currentTimeMillis() - start) / 1000L);
+                prop.putNum("runReportResult_runReportDurationSeconds", durationSeconds);
+                if (reportFile == null) {
+                    prop.put("runReportResult", LogReportService.hasConfiguredLogReportModel() ? "2" : "3");
+                } else {
+                    prop.put("runReportResult", "1");
+                    prop.putHTML("runReportFile", reportFile.getName());
+                    prop.putHTML("runReportResult_runReportFile", reportFile.getName());
+                }
+            } catch (final Exception e) {
+                final long durationSeconds = Math.max(0L, (System.currentTimeMillis() - start) / 1000L);
+                prop.putNum("runReportResult_runReportDurationSeconds", durationSeconds);
+                prop.put("runReportResult", "4");
+                final String message = e.getMessage() == null ? e.getClass().getSimpleName() : e.getMessage();
+                prop.putHTML("runReportFile", message);
+                prop.putHTML("runReportResult_runReportFile", message);
+            }
+        }
+
+        final List<ReportEntry> reports = service.discoverReports(maxEntries);
+
+        prop.put("modelConfigured", LogReportService.hasConfiguredLogReportModel() ? "1" : "0");
+        prop.putNum("count", maxEntries);
+        prop.putNum("maxcount", configuredMax);
+        prop.putHTML("reportdir", reportDirectory.getAbsolutePath());
+        prop.put("reportdirExists", reportDirectory.isDirectory() ? "1" : "0");
+        prop.put("reportdirMissing", reportDirectory.isDirectory() ? "0" : "1");
+        prop.put("jsonFeed", "api/logreports.json?count=" + maxEntries);
+        prop.put("rssFeed", "api/logreports.rss?count=" + maxEntries);
+
+        for (int i = 0; i < reports.size(); i++) {
+            final ReportEntry report = reports.get(i);
+            prop.putHTML("reports_" + i + "_filename", report.filename);
+            prop.putHTML("reports_" + i + "_title", report.title);
+            prop.putHTML("reports_" + i + "_published", report.published.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME));
+            prop.putHTML("reports_" + i + "_type", report.daily ? "daily" : "hourly");
+            prop.put("reports_" + i + "_daily", report.daily ? "1" : "0");
+            prop.putNum("reports_" + i + "_chars", report.content.length());
+            prop.putHTML("reports_" + i + "_content", report.content);
+        }
+        prop.put("reports", reports.size());
+        prop.putNum("reportCount", reports.size());
+        prop.put("hasReports", reports.isEmpty() ? "0" : "1");
+        prop.put("noReports", reports.isEmpty() ? "1" : "0");
+
+        return prop;
+    }
+}
diff --git a/source/net/yacy/htroot/ViewLog_p.java b/source/net/yacy/htroot/ViewLog_p.java
index 3df1a45d0..06e51255a 100644
--- a/source/net/yacy/htroot/ViewLog_p.java
+++ b/source/net/yacy/htroot/ViewLog_p.java
@@ -33,17 +33,18 @@
 package net.yacy.htroot;

 

 import java.util.logging.Handler;

-import java.util.logging.Logger;

-import java.util.regex.Matcher;

-import java.util.regex.Pattern;

-import java.util.regex.PatternSyntaxException;

-

-import net.yacy.cora.protocol.RequestHeader;

-import net.yacy.cora.util.ConcurrentLog;

-import net.yacy.kelondro.logging.GuiHandler;

-import net.yacy.kelondro.logging.LogalizerHandler;

-import net.yacy.server.serverObjects;

-import net.yacy.server.serverSwitch;

+import java.util.logging.Logger;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
+
+import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.cora.util.ConcurrentLog;
+import net.yacy.cora.util.LogRedaction;
+import net.yacy.kelondro.logging.GuiHandler;
+import net.yacy.kelondro.logging.LogalizerHandler;
+import net.yacy.server.serverObjects;
+import net.yacy.server.serverSwitch;
 

 public class ViewLog_p {

 

@@ -58,20 +59,26 @@ public class ViewLog_p {
          * for the user to input regexes like ".*FOO.*" in the HTML

          * interface.

          */

-        String filter = ".*.*";

-

-        if (post != null){

-            reversed = (post.containsKey("mode") && "reversed".equals(post.get("mode")));

-            json = post.containsKey("json");

+        String filter = ".*.*";
+        String filterMode = "regex";
+
+        if (post != null){
+            reversed = (post.containsKey("mode") && "reversed".equals(post.get("mode")));
+            json = post.containsKey("json");
 

             if(post.containsKey("lines")){

                 lines = post.getInt("lines", lines);

             }

 

-            if(post.containsKey("filter")){

-                filter = post.get("filter");

-            }

-        }

+            if(post.containsKey("filter")){
+                filter = post.get("filter");
+            }
+
+            if(post.containsKey("filterMode")){
+                filterMode = post.get("filterMode");
+                if (!"terms".equals(filterMode)) filterMode = "regex";
+            }
+        }
 

         final Logger logger = Logger.getLogger("");

         final Handler[] handlers = logger.getHandlers();

@@ -88,29 +95,44 @@ public class ViewLog_p {
 

         prop.put("submenu", displaySubmenu ? "1" : "0");

         prop.put("reverseChecked", reversed ? "1" : "0");

-        prop.put("lines", lines);

-        prop.put("maxlines", maxlines);

-        prop.putHTML("filter", filter);

-

-        // trying to compile the regular expression filter expression

-        Matcher filterMatcher = null;

-        try {

-            final Pattern filterPattern = Pattern.compile(filter,Pattern.MULTILINE);

-            filterMatcher = filterPattern.matcher("");

-        } catch (final PatternSyntaxException e) {

-            ConcurrentLog.logException(e);

-        }

-

-        int level = 0;

-        int lc = 0;

-        for (final String logLine : log) {

-            if (logLine == null) break;

-            final String nextLogLine = logLine.trim();

-

-            if (filterMatcher != null) {

-                filterMatcher.reset(nextLogLine);

-                if (!filterMatcher.find()) continue;

-            }

+        prop.put("lines", lines);
+        prop.put("maxlines", maxlines);
+        prop.putHTML("filter", filter);
+        prop.put("filterMode", filterMode);
+        prop.put("filterModeRegex", "regex".equals(filterMode) ? "1" : "0");
+        prop.put("filterModeTerms", "terms".equals(filterMode) ? "1" : "0");
+
+        Matcher filterMatcher = null;
+        String[] filterTerms = new String[0];
+        boolean validFilter = true;
+        if ("terms".equals(filterMode)) {
+            filterTerms = parseFilterTerms(filter);
+        } else {
+            // trying to compile the regular expression filter expression
+            try {
+                final Pattern filterPattern = Pattern.compile(filter,Pattern.MULTILINE);
+                filterMatcher = filterPattern.matcher("");
+            } catch (final PatternSyntaxException e) {
+                validFilter = false;
+                ConcurrentLog.warn("ViewLog", "Invalid log regex filter: " + LogRedaction.redactMessage(e));
+            }
+        }
+        prop.put("filterError", validFilter ? "0" : "1");
+
+        int level = 0;
+        int lc = 0;
+        for (final String logLine : log) {
+            if (logLine == null) break;
+            final String nextLogLine = logLine.trim();
+
+            if ("terms".equals(filterMode)) {
+                if (!matchesAllTerms(nextLogLine, filterTerms)) continue;
+            } else if (validFilter && filterMatcher != null) {
+                filterMatcher.reset(nextLogLine);
+                if (!filterMatcher.find()) continue;
+            } else if (!validFilter) {
+                continue;
+            }
 

             if (nextLogLine.startsWith("E ")) {

                 level = 4;

@@ -136,7 +158,30 @@ public class ViewLog_p {
         }

         prop.put("log", lc);

 

-        // return rewrite properties

-        return prop;

-    }

-}

+        // return rewrite properties
+        return prop;
+    }
+
+    private static String[] parseFilterTerms(final String filter) {
+        if (filter == null || filter.trim().isEmpty()) return new String[0];
+        final String[] rawTerms = filter.split(",");
+        int count = 0;
+        for (int i = 0; i < rawTerms.length; i++) {
+            final String term = rawTerms[i].trim().toLowerCase();
+            if (term.isEmpty()) continue;
+            rawTerms[count++] = term;
+        }
+        final String[] terms = new String[count];
+        System.arraycopy(rawTerms, 0, terms, 0, count);
+        return terms;
+    }
+
+    private static boolean matchesAllTerms(final String line, final String[] terms) {
+        if (terms == null || terms.length == 0) return true;
+        final String normalizedLine = line == null ? "" : line.toLowerCase();
+        for (final String term : terms) {
+            if (!normalizedLine.contains(term)) return false;
+        }
+        return true;
+    }
+}
diff --git a/source/net/yacy/htroot/api/logreports.java b/source/net/yacy/htroot/api/logreports.java
new file mode 100644
index 000000000..c13e293fd
--- /dev/null
+++ b/source/net/yacy/htroot/api/logreports.java
@@ -0,0 +1,64 @@
+/**
+ *  logreports
+ *  Copyright 2026 by contributors to the YaCy project
+ *  First released 26.06.2026 at https://yacy.net
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ */
+
+package net.yacy.htroot.api;
+
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+
+import net.yacy.ai.LogReportService;
+import net.yacy.ai.LogReportService.ReportEntry;
+import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.search.Switchboard;
+import net.yacy.server.serverObjects;
+import net.yacy.server.serverSwitch;
+
+public class logreports {
+
+    public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
+        final serverObjects prop = new serverObjects();
+        prop.put("authorized", "0");
+        prop.put("reports", "0");
+        prop.putXML("channel_title", "YaCy Log Reports");
+        prop.putXML("channel_description", "Generated YaCy self-enhancement log reports");
+        prop.put("channel_pubDate", "");
+
+        if (header == null || env == null) return prop;
+        final Switchboard sb = (Switchboard) env;
+        if (!sb.verifyAuthentication(header)) return prop;
+        prop.put("authorized", "1");
+
+        final int configuredMax = sb.getConfigInt(LogReportService.CONFIG_FEED_MAX_ENTRIES, LogReportService.DEFAULT_FEED_MAX_ENTRIES);
+        final int requestedMax = post == null ? configuredMax : post.getInt("count", configuredMax);
+        final int maxEntries = Math.max(0, Math.min(requestedMax, configuredMax));
+        final List<ReportEntry> reports = new LogReportService(sb).discoverReports(maxEntries);
+
+        for (int i = 0; i < reports.size(); i++) {
+            final ReportEntry report = reports.get(i);
+            prop.putJSON("reports_" + i + "_filename", report.filename);
+            prop.putJSON("reports_" + i + "_title", report.title);
+            prop.put("reports_" + i + "_published", report.published.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME));
+            prop.putJSON("reports_" + i + "_content", report.content);
+            prop.put("reports_" + i + "_daily", report.daily ? "1" : "0");
+            prop.put("reports_" + i + "_comma", i + 1 < reports.size() ? "1" : "0");
+
+            prop.putXML("reports_" + i + "_title-rss", report.title);
+            prop.putXML("reports_" + i + "_description-rss", report.content);
+            prop.put("reports_" + i + "_pubDate-rss", report.published.format(DateTimeFormatter.RFC_1123_DATE_TIME));
+            prop.putXML("reports_" + i + "_guid-rss", report.filename);
+        }
+        prop.put("reports", reports.size());
+        if (!reports.isEmpty()) {
+            prop.put("channel_pubDate", reports.get(0).published.format(DateTimeFormatter.RFC_1123_DATE_TIME));
+        }
+        return prop;
+    }
+}
diff --git a/source/net/yacy/http/servlets/RAGProxyServlet.java b/source/net/yacy/http/servlets/RAGProxyServlet.java
index 5875dc4fd..c41789e9c 100644
--- a/source/net/yacy/http/servlets/RAGProxyServlet.java
+++ b/source/net/yacy/http/servlets/RAGProxyServlet.java
@@ -28,6 +28,7 @@ import java.util.ArrayList;
 import java.util.Base64;
 import java.util.Deque;
 import java.util.List;
+import java.util.UUID;
 import java.util.concurrent.ConcurrentLinkedDeque;
 
 import javax.servlet.ServletException;
@@ -48,6 +49,7 @@ import net.yacy.ai.RAGAugmentor;
 import net.yacy.ai.ToolCallProtocol;
 import net.yacy.cora.protocol.Domains;
 import net.yacy.cora.util.ConcurrentLog;
+import net.yacy.cora.util.LogRedaction;
 import net.yacy.search.Switchboard;
 
 /**
@@ -83,6 +85,8 @@ public class RAGProxyServlet extends HttpServlet {
 
     @Override
     public void service(ServletRequest request, ServletResponse response) throws IOException, ServletException {
+        final String runId = UUID.randomUUID().toString();
+        final long requestStart = System.currentTimeMillis();
         response.setContentType("application/json;charset=utf-8");
 
         HttpServletResponse hresponse = (HttpServletResponse) response;
@@ -96,15 +100,18 @@ public class RAGProxyServlet extends HttpServlet {
         final Switchboard sb = Switchboard.getSwitchboard();
         final String clientIP = hrequest.getRemoteAddr();
         final boolean localhostAccess = Domains.isLocalhost(clientIP);
+        ConcurrentLog.info("RAGProxy", "runId=" + runId + " event=rag-request phase=start method=" + hrequest.getMethod() + " localhost=" + localhostAccess);
         if (!localhostAccess) {
             // obey the allow-nonlocalhost shield setting
             final boolean allowNonLocal = sb.getConfigBool("ai.shield.allow-nonlocalhost", false);
             if (!allowNonLocal) {
+                ConcurrentLog.warn("RAGProxy", "runId=" + runId + " event=rag-request phase=reject reason=nonlocalhost-blocked durationMs=" + elapsed(requestStart));
                 hresponse.sendError(HttpServletResponse.SC_FORBIDDEN);
                 return;
             }
         }
         if (isRateLimited(sb, clientIP, localhostAccess)) {
+            ConcurrentLog.warn("RAGProxy", "runId=" + runId + " event=rag-request phase=reject reason=rate-limited localhost=" + localhostAccess + " durationMs=" + elapsed(requestStart));
             hresponse.sendError(429, "Too Many Requests"); // standard status for rate limits
             return;
         }
@@ -114,11 +121,13 @@ public class RAGProxyServlet extends HttpServlet {
         if (reqMethod == Method.OTHER) {
             // required to handle CORS
             hresponse.setStatus(HttpServletResponse.SC_OK);
+            ConcurrentLog.info("RAGProxy", "runId=" + runId + " event=rag-request phase=end result=options durationMs=" + elapsed(requestStart));
             return;
         }
 
         // We expect a POST request
         if (reqMethod != Method.POST) {
+            ConcurrentLog.warn("RAGProxy", "runId=" + runId + " event=rag-request phase=reject reason=method-not-allowed method=" + hrequest.getMethod() + " durationMs=" + elapsed(requestStart));
             hresponse.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
             return;
         }
@@ -135,6 +144,7 @@ public class RAGProxyServlet extends HttpServlet {
             bodyBuilder.append(line);
         }
         String body = bodyBuilder.toString();
+        ConcurrentLog.info("RAGProxy", "runId=" + runId + " event=rag-request phase=body-read bodyChars=" + body.length());
         JSONObject bodyObject;
         try {
             // get system message and user prompt
@@ -148,8 +158,13 @@ public class RAGProxyServlet extends HttpServlet {
             // resolve true model name from configuration
             LLM.LLMUsage usage = LLM.LLMUsage.chat;
             try {usage = LLM.LLMUsage.valueOf(model);} catch (IllegalArgumentException e) {}
-            LLM.LLMModel llm4Chat = LLM.llmFromUsage(usage);
-            LLM.LLMModel llm4tldr = LLM.llmFromUsage(LLM.LLMUsage.tldr);
+            LLM.LLMModel llm4Chat = LLM.llmFromUsage(usage, runId, "rag-chat");
+            LLM.LLMModel llm4tldr = LLM.llmFromUsage(LLM.LLMUsage.tldr, runId, "rag-query-generator");
+            if (llm4Chat == null) {
+                ConcurrentLog.warn("RAGProxy", "runId=" + runId + " event=rag-request phase=reject reason=no-chat-model usage=" + usage + " durationMs=" + elapsed(requestStart));
+                hresponse.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE, "No chat model configured");
+                return;
+            }
             bodyObject.put("model", llm4Chat.model); // replace the model with the decoded model name
             
             // get messages and prepare user message attachments
@@ -182,7 +197,7 @@ public class RAGProxyServlet extends HttpServlet {
                 user = userObject.getContentText(); // this is the latest user prompt
                 ragMode = userObject.getSearchMode();
             }
-            ConcurrentLog.info("RAGProxy", "ragMode=" + ragMode + " userChars=" + (user == null ? 0 : user.length()));
+            ConcurrentLog.info("RAGProxy", "runId=" + runId + " event=rag-request phase=messages messages=" + messages.length() + " lastUserIndex=" + lastUserIndex + " ragMode=" + ragMode + " userChars=" + (user == null ? 0 : user.length()));
             //List<DataURL> data_urls = userObject.getContentAttachments(); // this list is a copy of the content data_urls
             
             // RAG
@@ -194,17 +209,26 @@ public class RAGProxyServlet extends HttpServlet {
                 final long queryStart = System.currentTimeMillis();
                 if (countWords(user) <= DIRECT_SEARCH_WORD_LIMIT) {
                     searchResultQuery = user;
+                    ConcurrentLog.info("RAGProxy", "runId=" + runId + " event=rag-query phase=select source=direct userWords=" + countWords(user));
                 } else {
-                    searchResultQuery = RAGAugmentor.searchWordsForPrompt(llm4tldr.llm, llm4tldr.model, user, queryPrefix); // might return null in case any error occurred
-                    if (searchResultQuery == null || searchResultQuery.length() == 0) searchResultQuery = user; // in case there is an error we simply search with the prompt
+                    if (llm4tldr == null) {
+                        searchResultQuery = user;
+                        ConcurrentLog.warn("RAGProxy", "runId=" + runId + " event=rag-query phase=fallback reason=no-tldr-model userWords=" + countWords(user));
+                    } else {
+                        searchResultQuery = RAGAugmentor.searchWordsForPrompt(llm4tldr.llm, llm4tldr.model, user, queryPrefix, runId); // might return null in case any error occurred
+                        if (searchResultQuery == null || searchResultQuery.length() == 0) {
+                            searchResultQuery = user; // in case there is an error we simply search with the prompt
+                            ConcurrentLog.warn("RAGProxy", "runId=" + runId + " event=rag-query phase=fallback reason=query-generation-empty userWords=" + countWords(user));
+                        }
+                    }
                 }
                 final long queryElapsed = System.currentTimeMillis() - queryStart;
                 final long searchStart = System.currentTimeMillis();
-                searchResultMarkdown = RAGAugmentor.searchResultsAsMarkdown(searchResultQuery, 10, "global".equals(ragMode));
+                searchResultMarkdown = RAGAugmentor.searchResultsAsMarkdown(searchResultQuery, 10, "global".equals(ragMode), runId);
                 final long searchElapsed = System.currentTimeMillis() - searchStart;
                 ConcurrentLog.info(
                     "RAGProxy",
-                    "searchQuery=\"" + searchResultQuery + "\" queryMs=" + queryElapsed + " searchMs=" + searchElapsed +
+                    "runId=" + runId + " event=rag-retrieval phase=end ragMode=" + ragMode + " queryChars=" + searchResultQuery.length() + " queryWords=" + countWords(searchResultQuery) + " queryMs=" + queryElapsed + " searchMs=" + searchElapsed +
                     " markdownChars=" + searchResultMarkdown.length());
                 user += userPrefix;
                 user += searchResultMarkdown;
@@ -217,14 +241,20 @@ public class RAGProxyServlet extends HttpServlet {
             }
 
             // ToolCallProtocol owns request preparation, initial stream handling and follow-up tool rounds.
-            final int status = ToolCallProtocol.proxyToolLifecycle(out, llm4Chat, bodyObject, messages, initialMetadata);
+            final int status = ToolCallProtocol.proxyToolLifecycle(out, llm4Chat, bodyObject, messages, initialMetadata, runId);
             hresponse.setStatus(status);
             out.close(); // close this here to end transmission
+            ConcurrentLog.info("RAGProxy", "runId=" + runId + " event=rag-request phase=end result=success status=" + status + " durationMs=" + elapsed(requestStart));
         } catch (JSONException e) {
+            ConcurrentLog.warn("RAGProxy", "runId=" + runId + " event=rag-request phase=end result=failure errorClass=" + e.getClass().getName() + " reason=" + LogRedaction.redactMessage(e) + " durationMs=" + elapsed(requestStart));
             throw new IOException(e.getMessage());
         }
     }
 
+    private static long elapsed(final long start) {
+        return System.currentTimeMillis() - start;
+    }
+
     private static int countWords(final String text) {
         if (text == null) return 0;
         final String trimmed = text.trim();
diff --git a/source/net/yacy/kelondro/logging/GuiHandler.java b/source/net/yacy/kelondro/logging/GuiHandler.java
index c1366e31d..e9c1684b0 100644
--- a/source/net/yacy/kelondro/logging/GuiHandler.java
+++ b/source/net/yacy/kelondro/logging/GuiHandler.java
@@ -43,7 +43,7 @@ import net.yacy.kelondro.util.MemoryControl;
 

 public class GuiHandler extends Handler {

 

-    private final static int DEFAULT_SIZE = 10000; // don't make this too big, it eats up a lot of memory!

+    private final static int DEFAULT_SIZE = 100000; // don't make this too big, it eats up a lot of memory!
     private static int size = DEFAULT_SIZE;

     private static String buffer[];

     private static int start, count;

diff --git a/source/net/yacy/yacy.java b/source/net/yacy/yacy.java
index 1425b7976..1a7166eb4 100644
--- a/source/net/yacy/yacy.java
+++ b/source/net/yacy/yacy.java
@@ -42,9 +42,10 @@ import java.util.LinkedHashMap;
 import java.util.List;

 import java.util.Locale;

 import java.util.Map;

-import java.util.Properties;

-import java.util.concurrent.Semaphore;

-import java.util.concurrent.TimeUnit;

+import java.util.Properties;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.Semaphore;
+import java.util.concurrent.TimeUnit;
 

 import org.apache.http.Header;

 import org.apache.http.HttpStatus;

@@ -60,9 +61,10 @@ import net.yacy.cora.protocol.ClientIdentification;
 import net.yacy.cora.protocol.ConnectionInfo;

 import net.yacy.cora.protocol.HeaderFramework;

 import net.yacy.cora.protocol.TimeoutRequest;

-import net.yacy.cora.protocol.http.HTTPClient;

-import net.yacy.cora.util.ConcurrentLog;

-import net.yacy.data.TransactionManager;

+import net.yacy.cora.protocol.http.HTTPClient;
+import net.yacy.cora.util.ConcurrentLog;
+import net.yacy.ai.LogReportService;
+import net.yacy.data.TransactionManager;
 import net.yacy.data.Translator;

 import net.yacy.gui.YaCyApp;

 import net.yacy.gui.framework.Browser;

@@ -290,13 +292,14 @@ public final class yacy {
             final int deleteOldDownloadsAfterDays = (int) sb.getConfigLong("update.deleteOld", 30);

             yacyRelease.deleteOldDownloads(sb.releasePath, deleteOldDownloadsAfterDays );

 

-            // start main threads

-            final int port = sb.getLocalPort();

-            final String host = sb.getLocalHost();

-            try {

-                // start http server

-                YaCyHttpServer httpServer;

-                httpServer = new YaCyHttpServer(port, host);

+            // start main threads
+            final int port = sb.getLocalPort();
+            final String host = sb.getLocalHost();
+            ScheduledExecutorService logReportScheduler = null;
+            try {
+                // start http server
+                YaCyHttpServer httpServer;
+                httpServer = new YaCyHttpServer(port, host);
                 httpServer.startupServer();

                 sb.setHttpServer(httpServer);

                 // TODO: this has no effect on Jetty (but needed to reflect configured value and limit is still used)

@@ -371,11 +374,13 @@ public final class yacy {
                     }

                 }

                 // initialize number formatter with this locale

-                if (!lang.equals("browser")) // "default" is handled by .setLocale()

-                    Formatter.setLocale(lang);

-

-                // registering shutdown hook

-                ConcurrentLog.config("STARTUP", "Registering Shutdown Hook");

+                if (!lang.equals("browser")) // "default" is handled by .setLocale()
+                    Formatter.setLocale(lang);
+
+                logReportScheduler = LogReportService.startScheduler(sb);
+
+                // registering shutdown hook
+                ConcurrentLog.config("STARTUP", "Registering Shutdown Hook");
                 final Runtime run = Runtime.getRuntime();

                 run.addShutdownHook(new shutdownHookThread(sb, shutdownSemaphore));

 

@@ -394,16 +399,18 @@ public final class yacy {
                 } catch (final Exception e) {

                     ConcurrentLog.severe("MAIN CONTROL LOOP", "PANIC: " + e.getMessage(),e);

                 }

-                // shut down

-                ConcurrentLog.config("SHUTDOWN", "caught termination signal");

-                httpServer.stop();

-

-                ConcurrentLog.config("SHUTDOWN", "server has terminated");

-                sb.close();

-            } catch (final Exception e) {

-                ConcurrentLog.severe("STARTUP", "Unexpected Error: " + e.getClass().getName(),e);

-                //System.exit(1);

-            }

+                // shut down
+                ConcurrentLog.config("SHUTDOWN", "caught termination signal");
+                LogReportService.stopScheduler(logReportScheduler);
+                httpServer.stop();
+

+                ConcurrentLog.config("SHUTDOWN", "server has terminated");
+                sb.close();
+            } catch (final Exception e) {
+                LogReportService.stopScheduler(logReportScheduler);
+                ConcurrentLog.severe("STARTUP", "Unexpected Error: " + e.getClass().getName(),e);
+                //System.exit(1);
+            }
             if (lock != null && lock.isValid()) lock.release();

             if (channel != null && channel.isOpen()) channel.close();

         } catch (final Exception ee) {