chore(openspec): drop 9 superseded proposals + 11 stub archive files

Drop 9 batch proposals that are superseded by the boocode-lift-analysis
(boocontext-audit, conductor upgrades, self-healing/verify-gate skills):
add-3tier-memory, import-llm-evaluator, import-pregel-engine, plugin-platform,
conductor-evolution, code-intelligence-upgrade, dev-workflow, ui-overhaul,
agent-reliability.

Delete 11 stub archive files (49-66B each, 'Status: Shipped. Archived.' only)
that provide zero documentation value over the existing CHANGELOG.md + git tags.

openspec/changes/add-behavioral-engine/specs/audit-middleware/spec.md

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+## ADDED Requirements
+
+### Requirement: PostToolUse audit logging
+- **WHEN** a tool is used
+- **THEN** the tool name, input summary, and timestamp are appended to the JSONL audit buffer
+
+### Requirement: Stop hook flush
+- **WHEN** a response completes
+- **THEN** the audit buffer is flushed to the session audit trail and index is updated
+
+### Requirement: UserPromptSubmit context injection
+- **WHEN** a user message is submitted
+- **THEN** session context (session ID, record count, critical alerts) is injected into the prompt
+
+### Requirement: Anomaly detection
+- **WHEN** audit records are checked against alert rules
+- **THEN** anomalies at CRITICAL level are injected into the context
+
+#### Scenario: Full audit trail
+- **WHEN** an agent runs 10 tool calls across 3 turns
+- **THEN** the audit trail contains 10 JSONL records, a session summary, and an updated index

openspec/changes/add-behavioral-engine/specs/graded-recovery/spec.md

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+## ADDED Requirements
+
+### Requirement: L0 recovery (index summary)
+- **WHEN** /recover is called without arguments
+- **THEN** the last 5 index entries are loaded (~200 tokens)
+
+### Requirement: L1 recovery (session state)
+- **WHEN** /recover L1 is called
+- **THEN** current session.json + last 3 audit trail entries are loaded (~500 tokens)
+
+### Requirement: L2 recovery (user corrections)
+- **WHEN** /recover L2 is called
+- **THEN** ALL user_correction records across all sessions are loaded (~1000 tokens)
+
+### Requirement: L3 recovery (full context)
+- **WHEN** /recover L3 is called
+- **THEN** full audit trail + all pending records are loaded (~3000 tokens)
+
+### Requirement: Priority loading
+- **WHEN** recovering context
+- **THEN** user_correction records are loaded first (highest priority)
+
+#### Scenario: Session crash recovery
+- **WHEN** an agent session crashes and restarts with /recover
+- **THEN** the agent gets the index summary, last session state, and all user corrections

openspec/changes/add-behavioral-engine/specs/guideline-model/spec.md

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+## ADDED Requirements
+
+### Requirement: Guideline creation
+- **WHEN** creating a guideline with condition, action, and criticality
+- **THEN** it is stored with unique ID and metadata
+
+### Requirement: Guideline evaluation
+- **WHEN** an agent action triggers guideline evaluation
+- **THEN** matching guidelines are activated with score and rationale
+
+### Requirement: Criticality levels
+- **WHEN** evaluating guidelines
+- **THEN** guidelines are filtered by criticality (low/medium/high/critical) with higher-criticality taking precedence
+
+#### Scenario: Security policy enforcement
+- **WHEN** an agent attempts to edit a file matching a security guideline condition
+- **THEN** the guideline matcher returns the relevant rule with CRITICAL severity

openspec/changes/add-behavioral-engine/specs/multi-batch-matcher/spec.md

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+## ADDED Requirements
+
+### Requirement: Six batch types
+- **WHEN** guidelines are evaluated
+- **THEN** they are processed through: Observational, Actionable, PreviouslyApplied, Disambiguation, ResponseAnalysis, and LowCriticality batches
+
+### Requirement: Parallel batch execution
+- **WHEN** independent batches are ready
+- **THEN** they execute in parallel (observational + actionable run concurrently)
+
+### Requirement: Structured LLM output per batch
+- **WHEN** a batch calls the LLM
+- **THEN** it uses a structured schema specific to the batch type (e.g., applies: boolean for actionable, was_followed: boolean for response analysis)
+
+#### Scenario: Multi-rule evaluation
+- **WHEN** an agent action matches 3 guidelines across different criticalities
+- **THEN** the matcher returns all applicable matches with scores, with CRITICAL matches flagged

openspec/changes/add-behavioral-engine/specs/relational-resolver/spec.md

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+## ADDED Requirements
+
+### Requirement: DEPENDS_ON resolution
+- **WHEN** guideline A depends on guideline B
+- **THEN** B is activated if A is activated
+
+### Requirement: PRIORITIZES resolution
+- **WHEN** guideline A prioritizes over guideline B
+- **THEN** B is filtered out if both match
+
+### Requirement: ENTAILS resolution
+- **WHEN** guideline A entails guideline B
+- **THEN** B is automatically activated when A is activated
+
+### Requirement: Iterative convergence
+- **WHEN** resolving relationships
+- **THEN** the resolver iterates (max 100 iterations) until no more changes or stable state
+
+#### Scenario: Conflicting guideline resolution
+- **WHEN** a HIGH priority guideline matches and a LOW priority guideline also matches
+- **THEN** the LOW priority guideline is filtered out via numerical priority resolution