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v2.6 Foundation: RAG Quality + Multi-Worker + Polish

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@fhdmrddev-dotcom fhdmrddev-dotcom released this 27 May 17:28
· 10878 commits to master since this release
v2.6
3b10766

v2.6 Foundation: RAG Quality + Multi-Worker + Polish

Shipped: 2026-05-27 | 35 phases | 91 plans | 846 commits | 16 days

Overview

v2.6 builds the production-ready substrate for the next four milestones. It closes the user-observed PDF↔DOCX extraction inconsistency, lifts the single-worker concurrency ceiling, modernizes the frontend streaming architecture, integrates 9 LLM providers, and ships a live-execution UX that matches Claude.ai quality.

Highlights

🔬 Per-Aspect Extraction Dispatcher — Every extraction engine (text, tables, images, equations) is independently swappable via app_settings or per-call hint. Camelot (MIT) replaces Docling as the default table engine after a 5-engine benchmark (14.3x improvement on thesis PDFs).

⚡ Multi-Worker Production — uvicorn --workers 2 enabled with full validation: asyncpg connection pool in hot paths, 50-parallel-run synthetic load test, cross-worker cancel via Redis, sandbox session stickiness. D-PRD-12 ADR documents the singleton audit.

🎨 Live-Execution UX — RunCard + ToolCallPanel refactor with editor-inset code panels (Shiki syntax highlighting), streaming tool_args_progress across all providers, Focus Mode composition under long-run stress, per-step result summaries.

🌐 9 LLM Providers — OpenAI, Anthropic, Google (native SDK), DeepSeek (with thinking mode), Kimi/Moonshot, MiniMax, GLM/Zhipu, OpenRouter, Ollama. Per-provider sub-agent defaults, timeout profiles, and pattern-based inference for unknown models.

📊 StreamsProvider Lift — useMessages.ts reduced from 1,229 LOC to < 100 LOC thin reader. All run-stream subscriptions owned by a top-level <StreamsProvider> Context. Chat surface paints cached messages instantly on thread switch.

🔧 Settings Architecture — settings_override.json eliminated. All 36+ keys migrated to DB-backed app_settings with 30s TTL hot-reload cache. model_capabilities_overrides table enables runtime model registration. 4-tier resolution: DB > env CSV > static dict > defaults.

Migrations (14)

Migration Purpose
039-042 Extraction telemetry + document columns
043 Concurrent-upload dedup unique index
044 Multimodal admin-tunable ceilings
045 Per-aspect extraction engine defaults
046-047 Table engine defaults (camelot)
048 System warning events + iteration cap
049 tool_args_progress emit boundary
050 DeepSeek reasoning_content column
051 Protected context overrun + dedup CAS
052 runs.spawned_by_worker debug column
053 Settings unification (app_settings JSONB + model_capabilities_overrides)

Requirements Verified

All 24 v2.6 REQ-IDs validated across 6 themes (RAG Quality, Multi-Worker, Streams Provider, Polish, Code Quality, Token Telemetry, Settings Unification). Cross-cutting verification gate (Phase 082): 5/5 success criteria GREEN.

Known Issues

  • Title generation broken on DeepSeek/Moonshot, partial on Google (BUG-260527-01)
  • System prompt needs cross-provider tool use revision (SEED-034)
  • Error Handler Foundation deferred to v2.7 (Phase 082.5)

What's Next

v2.7 Agent Workspace + Harness Engine + Plugin Contract — Per-thread workspace filesystem, state-machine harness, right-side panel UI, formal Plugin Contract for vertical packs.

Assets 2
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