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Mar 7 18:47 fix: Round 14 — 28 Tier 1 + Tier 2 bugs fixed across 17 source files LIANJie-Jason +1: Claude Opus 4.6 Anti-hallucination integrity (T1):
- #100: Detect verification LLM system failure (all calls fail → refuse)
- #101: Fix validate_citations SQL/web source matching (dead code → working)
- #102: Citation count uses chunks (citable units) not unique files
- #103: Clamp max_iterations to min 1 (can't bypass via iterations=0)
Pre-release quality (T2 HIGH):
- #104: Add LIKE ESCAPE in all SQL fallback paths
- #105: Gemini safety block returns "" (was bypassing stack)
- #106: Cap reasoning model budget at 128000
- #107: Handle non-numeric temperature/max_tokens gracefully
- #108: Fix clarification history duplication
Pre-release quality (T2 MEDIUM):
- #109: Anthropic temperature clamp to 1.0
- #110: SQL query 10-second timeout via progress handler
- #111: Rich markup escape for user/LLM content
- #112: All 6 readers wrapped in try/except (corrupt files don't abort)
- #113: Collection cache invalidation after re-ingestion
- #114: Web UI message history capped at 200
- #115: Setup wizard confi… 04:20 fix: pre-release audit round 12 — 33 bugs fixed across all tiers LIANJie-Jason +1: Claude Opus 4.6 Tier 1 (ship-blockers):
- README/verifier layer count corrected to 7-layer/10-point
- SQL keyword regex now strips quoted strings before checking
- validate_citations counts unique sources, extracts from body only
- Provider-specific error messages for all 3 LLM backends
- Missing config error handling in ingest.py entry point
Tier 2 (quality):
- SQL injection: alphanumeric validation on interpolated values
- LIKE wildcard escaping with ESCAPE clause
- Fallback builds fresh keyword query instead of re-running failed SQL
- NaN/NaT/inf filtering across all tabular readers
- Merged docx table cells deduplicated via element identity
- .env double-escaping fix in setup wizard
- Verification LLM exceptions skip correction instead of triggering it
- References check handles SQL and web sources
- Dead pre-loop validate_citations removed
- KB meta extension detection uses Path.suffix
- QU prompt omits SQL fields when no schema available
- Redundant collection.count() eliminated
- Row padding f… Mar 6 17:03 fix: Round 8 audit — 15 bugs fixed across 10 files (1 CRITICAL, 7 HIGH, 3 MEDIUM, 4 LOW) LIANJie-Jason +1: Claude Opus 4.6 Security fixes:
- CRITICAL: execute comment-stripped SQL query (not original) to prevent injection bypass
- HIGH: iterative comment stripping to handle nested comment attacks
- HIGH: expand dangerous SQL keyword blocklist from 11 to 23 entries
- HIGH: data loss prevention — deferred clear only on first successful embed
Robustness fixes:
- HIGH: parse_verification_result(None) crash guard
- HIGH: try/except on all verification loop generate() calls
- HIGH: empty rows guard in Excel reader
- MEDIUM: strict boolean normalization for verification pass/fail
- MEDIUM: R-style "na" added to null string detection
- MEDIUM: broad exception handling for Gemini API errors
Minor fixes:
- LOW: distinct error message for empty LLM response vs no sources
- LOW: bounds check on setup wizard model selection
- LOW: route/sql_query keys in CLI and web fallback dicts
- LOW: SQL fallback extended to route="both"
Cross-checked by 2 verification agents — all fixes confirmed correct.
165/165 tests passing,… Mar 5 05:32 Initial commit: RAG Research Chatbot Template LIANJie-Jason +1: Claude Opus 4.6 Citation-verified research assistant with 6-layer anti-hallucination stack,
15 file format readers, 3 LLM providers, and dual CLI/Web interfaces.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> 
