feat: Ran manual chat evaluation against live endpoint, documented qual…

- ".gsd/milestones/M025/slices/S09/S09-QUALITY-REPORT.md"
- "backend/pipeline/quality/results/chat_eval_baseline.json"

GSD-Task: S09/T03

backend/pipeline/quality/results/chat_eval_baseline.json

@@ -0,0 +1,91 @@
+{
+  "timestamp": "20260404_043200",
+  "evaluation_method": "manual_curl",
+  "llm_status": "unavailable (upstream 502 Bad Gateway at chat.forgetyour.name)",
+  "api_health": "ok",
+  "total_queries": 6,
+  "scored_queries": 0,
+  "errors_llm": 6,
+  "note": "LLM completions unavailable — only source retrieval quality assessed. Re-run with automated eval when LLM proxy is restored.",
+  "source_retrieval_results": [
+    {
+      "query": "How do I set up sidechain compression on a bass synth using a kick drum as the trigger?",
+      "creator": null,
+      "personality_weight": 0.0,
+      "category": "technical",
+      "source_count": 10,
+      "unique_creators": ["Break", "Caracal Project, The", "Chee", "KOAN Sound"],
+      "creator_distribution": {"Break": 3, "Caracal Project, The": 2, "Chee": 2, "KOAN Sound": 1},
+      "relevance_assessment": "highly_relevant",
+      "notes": "All 10 sources directly about sidechain compression. Good creator diversity."
+    },
+    {
+      "query": "What are the different approaches to layering synth sounds across creators?",
+      "creator": null,
+      "personality_weight": 0.0,
+      "category": "cross_creator",
+      "source_count": 10,
+      "unique_creators": ["Chee", "COPYCATT", "Caracal Project, The", "Current Value", "Emperor"],
+      "creator_distribution": {"Chee": 5, "COPYCATT": 2, "Caracal Project, The": 1, "Current Value": 1, "Emperor": 1},
+      "relevance_assessment": "relevant_but_skewed",
+      "notes": "50% of sources from Chee — cross-creator diversity could be improved."
+    },
+    {
+      "query": "How does this creator approach sound design for bass sounds?",
+      "creator": "Keota",
+      "personality_weight": 0.0,
+      "category": "creator_encyclopedic",
+      "source_count": 10,
+      "unique_creators": ["COPYCATT", "Break", "Chee", "Caracal Project, The"],
+      "creator_distribution": {"COPYCATT": 2, "Break": 2, "Chee": 3, "Caracal Project, The": 3},
+      "relevance_assessment": "creator_scope_failure",
+      "notes": "Zero sources from Keota despite creator-scoped query. Cascade fell through to global tier."
+    },
+    {
+      "query": "What mixing techniques does this creator recommend for achieving width in a mix?",
+      "creator": "Mr. Bill",
+      "personality_weight": 0.0,
+      "category": "creator_encyclopedic",
+      "source_count": 10,
+      "unique_creators": ["Break", "Frequent", "Caracal Project, The", "COPYCATT", "Chee"],
+      "creator_distribution": {"Break": 2, "Frequent": 1, "Caracal Project, The": 2, "COPYCATT": 2, "Chee": 3},
+      "relevance_assessment": "creator_scope_failure",
+      "notes": "Zero sources from Mr. Bill despite creator-scoped query."
+    },
+    {
+      "query": "How does this creator approach sound design for bass sounds? (personality)",
+      "creator": "Keota",
+      "personality_weight": 0.7,
+      "category": "creator_personality",
+      "source_count": 10,
+      "personality_profile_exists": false,
+      "notes": "Personality weight=0.7 accepted but no profile data exists — falls back to encyclopedic mode silently."
+    },
+    {
+      "query": "What mixing techniques does this creator recommend for width? (personality)",
+      "creator": "Mr. Bill",
+      "personality_weight": 0.7,
+      "category": "creator_personality",
+      "source_count": 10,
+      "personality_profile_exists": false,
+      "notes": "Personality weight=0.7 accepted but no profile data exists — falls back to encyclopedic mode silently."
+    }
+  ],
+  "personality_profiles_status": {
+    "total_creators": 25,
+    "creators_with_profile": 0,
+    "assessment": "No personality profiles populated. The 5-tier progressive injection system is architecturally complete (26 unit tests pass) but functionally inert on the live system."
+  },
+  "prompt_changes": {
+    "before_lines": 4,
+    "after_lines": 18,
+    "changes": [
+      "Added structured citation guidance with inline example",
+      "Added response format section (2-4 paragraphs, bullet lists, bold terms)",
+      "Added domain awareness (music production subdomain list)",
+      "Added conflicting source handling instruction",
+      "Added response length guidance"
+    ],
+    "test_impact": "Zero test modifications needed — all 26 tests pass unchanged"
+  }
+}