Plan 21: session-start context dedup + Phase C sensors#46
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Cuts session-start context redundancy and completes Plan 08 Phase C: - session-context sensor now filters memory/session-start protocols (duplicates of sensor-injected content), skips empty FieldNotes, summarizes pending reports instead of full-cat, drops misfired end-of-session reminder block, and scopes to SessionStart matcher startup|resume|clear so /compact can be handled by a separate sensor. - session-start protocol rewritten to assume sensor did the heavy lifting — no more 10-step re-read list. - context-guard gains verify + plan pattern detection with word-boundary (not end-anchored) regex; planning reminder suppressed when wrap-up already fired to avoid triple-stacking. - new compact-recovery sensor (matcher=compact) re-injects minimal context (Quick Triggers + Work State) after /compact, <2000 chars in normal conditions. - station self-awareness.md trimmed: durable UX preferences moved to memory.md Feedback section where they structurally belong. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Apr 21, 2026
Session log for Plan 21 shipped via PR #46. Updated backlog: session-start payload research item revised with Plan 21 progress + remaining optimization ideas; new P3 research entry for Plan 08 C3 with explicit revisit criteria. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Strip 13 inline `<!-- resolved -->` HTML comments from Backlog.md + delete the duplicated/already-resolved "Pre-release docs audit" entry (now in StatusArchive Resolutions section) + remove obsolete "Re-plan Phase C" item (shipped 2026-04-21 via Plan 21 / PR #46). StatusArchive.md gains a "Resolved Backlog Items" section listing all 14 resolutions with provenance (PR + plan + scope). Backlog.md is ~10% lighter and only carries actionable open items. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
Session-start context dedup + Plan 08 Phase C sensors (compact-recovery, context-guard verify/plan patterns). Cuts redundant protocol dumps, fixes session-context misfire, and moves UX prefs to memory.md Feedback where they belong.
Changes
catalog/sensors/session-context/session-context.sh.tmpl— drop end reminder, filter empty FieldNotes, summarize Reports, filter memory/session-start protocolscatalog/sensors/session-context/meta.yaml— add matcher=startup|resume|clearcatalog/protocols/session-start/session-start.md— rewrite (short, assumes sensor did the work)catalog/sensors/context-guard/context-guard.sh.tmpl— add verify + plan pattern detectioncatalog/sensors/compact-recovery/meta.yaml— NEWcatalog/sensors/compact-recovery/compact-recovery.sh.tmpl— NEWstation/agent/Core/self-awareness.md— drop User Preferences sectionstation/agent/Core/memory.md— UX preferences moved under Feedbackstation/agent/Sensors/*+station/agent/Protocols/session-start.md+station/.claude/settings.json+station/CLAUDE.md— regenerated bybonsai updatePlan
station/Playbook/Plans/Active/21-session-start-dedup-and-phase-c-sensors.md
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