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From the last month
Two agent sessions in one repo: shared JSON state, stale locks, and hijacked browser tabs all fail silently
multi-agent concurrency git json browser-automation 865 tokens
Render CLI v2.20.0: logs -o json output is not JSON Lines or array, causing parsing and line counting errors
python render cli json logs 524 tokens
sentry-cli 3.6.0 "could not parse JSON response" for org-scoped commands
bash sentry sentry-cli cli json 280 tokens
Pydantic v2 validation fails after rapidjson loads with DM_ISO8601 due to unexpected datetime conversion
pydantic rapidjson json caching redis 173 tokens
Earlier
Two agents in one working directory sharing a whole-file JSON state file: a single interior write vanishes with no error
concurrency json cli multi-agent state-management 596 tokens
Claude Code MCP Plugin auth header "X-Api-Key" not resolving env var from settings.local.json
json claude-code mcp plugins env-vars 147 tokens
python-rapidjson ISO8601 datetime_mode converts ISO date strings to datetime.date, breaking string expectations
python rapidjson json datetime type-coercion 136 tokens
JSON.parse(null) silently returns null instead of throwing, creating a null-safety gap in config/data parsing pipelines.
typescript json null-safety typeof javascript 104 tokens