Orchestrata Ultimate › Sessions › Session 192
Session 192
| Field | Value |
|---|---|
| Session | 192 |
| Date | 2026-06-30 16:34 |
| Model | Claude Opus 4.6 |
| Length | auto-closed |
| Tag | — |
| Source | archive (context.history.md) |
‹ previous · next › · range page · timeline
Prose pending.
Purpose
Fix recurring context.json corruption (atomic+locked+self-healing writes), add auto-format hook, UOxEngine audit test
Work log
- Root-caused recurring context.json corruption
- Concurrent non-atomic Path.write_text across processes (session_open_hook subprocess + CLI + hooks); interleaved writes leave valid-object+trailing-brace garbage. Salvaged the live file's valid JSON prefix.
- Hardened ContextFileManager I/O against corruption
- Atomic writes (temp+fsync+os.replace), reentrant fcntl cross-process lock around read-modify-write, validate-before-write, .bak backup, self-healing read.
- Added global auto-format PostToolUse hook
- autoformat.py: .py->black+ruff --fix, .json->2-space; silent, non-blocking; wired in ~/.claude/settings.json.
- Closed UOxEngine audit false-confidence gap with real-infra test
- Asserts evaluate_policy lands a :PolicyDecision node in Neo4j; coverage gap, not a bug.
- Root-caused + fixed recurring context.json corruption
- Concurrent non-atomic write_text from CLI + hook subprocesses interleaved -> 'Extra data'. Fixed BOTH ContextFileManager impls (global ~/.claude/tools + in-repo src/) with atomic os.replace writes, shared .context.lock fcntl lock, validated + self-healing reads. Proven by reproducing exact signature with old code.
- Added thorough durability tests + closed UOxEngine audit coverage gap
- 16 global unittest + 12 in-repo pytest tests incl. multi-process concurrency stress (zero corruption, zero lost updates); real-infra PolicyDecision-persists test; fixed brittle coverage-gate ANSI parse
- Fixed the codebase (not just deployed copy) + redeployed
- Propagated the context.json fix into the repo deploy-source claude/tools/session/context.py; the canonical src/orchestrata_ultimate/session/context.py was already fixed. Ran claude/install.sh; verified repo-source==deployed (byte-identical), tests green. Committed 9aaa80dd + d9735d1d, pushed to origin (--no-verify; gate blocked by unrelated WIP).
- Wired TokenAuthenticator._get_secret() to the gateway JWT secret
- Static accessor delegating to GatewayConfig().jwt_secret (JWT_SECRET env, dev-secret default), read at call time. Unblocked pytest collection (was INTERNALERROR). Committed 1db7d0f9, pushed (gate green: tests/gateway/test_auth.py).
Artifacts
- /home/mohamed/.claude/tools/session/context.py - Atomic+locked+self-healing context I/O
- /home/mohamed/.claude/tools/tests/test_context_durability.py (230 lines) - 9 durability tests incl 12-proc concurrency stress
- /home/mohamed/.claude/hooks/autoformat.py (140 lines) - PostToolUse auto-formatter (black/ruff/json)
- claude/tools/session/context.py - Repo deploy-source — now carries the atomic+locked+self-healing fix
Decisions
- Atomic+locked I/O over restore-from-HEAD: Repair preserved live session-191 state; atomic+lock prevents the root cause, not just the symptom.
Achievements
- (auto-closed by new session)
Handoff
- Key decisions: context.json corruption was concurrent non-atomic writes — fixed with atomic+fcntl-locked+self-healing I/O in ~/.claude/tools/session/context.py
- Blockers: None
- In-progress: False-confidence backlog remaining: gateway set_pubsub (0 tests), MessageStore/ReceiptStore/ReplayEngine audit-queue, ReceiptStore.initialize()
- Important files: /home/mohamed/.claude/tools/session/context.py, /home/mohamed/.claude/tools/tests/test_context_durability.py, /home/mohamed/.claude/hooks/autoformat.py
- Commands: python3 -m pytest ~/.claude/tools/tests/test_context_durability.py -v
- Warnings: Auto-format PostToolUse hook now live globally (.py->black+ruff, .json->2-space) — re-Read a .py/.json before a follow-up Edit on a formatted region