feat(ts-port): reasoning strip, dreaming config + weighted scoring

Phase 6 — Reasoning token stripping:
- ReasoningDecision.StripThinking auto-flags Kimi + DeepSeek-Reasoner
- Guard clauses in Anthropic/OpenAI/Codex stream handlers
- Usage.ThinkingTokens + RawAssistantContent preserved (billing + tool passback safe)

Phase 8 — Per-agent dreaming config:
- MemoryConfig.Dreaming JSONB (no migration), resolver callback pattern
- Enabled/DebounceMs/Threshold/VerboseLog fields with partial-override merge
- ConsolidationDeps gains optional AgentStore

Phase 10 — Dreaming weighted scoring:
- Migration 000045 adds recall_count/recall_score/last_recalled_at on episodic_summaries
- ComputeRecallScore 4-component formula (freq/rel/recency/freshness, 14d half-life)
- memory_search fire-and-forget RecordRecall; ListUnpromotedScored in DreamingWorker
- Bootstrap-friendly filter: unrecalled entries bypass thresholds
- Debounce stamped on filter-empty skip to prevent starvation loop

Phase 5 follow-up — last_compaction_at in sessions.metadata JSONB:
- v3 PruneStage.CompactMessages and v2 maybeSummarize both stamp timestamp
- Zero migration; exported const SessionMetaKeyLastCompactionAt

RequiredSchemaVersion: 44 → 45 (PG), SchemaVersion: 12 → 13 (SQLite).
27 new tests; builds pass under PG and sqliteonly tags.

internal/store/sqlitestore/schema.sql

@@ -1414,7 +1414,12 @@ CREATE TABLE IF NOT EXISTS episodic_summaries (
     token_count INTEGER NOT NULL DEFAULT 0,
     created_at  TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
     expires_at  TEXT,
-    promoted_at TEXT
+    promoted_at TEXT,
+    -- Phase 10: dreaming weighted scoring signals (running avg of memory_search
+    -- hit scores). See internal/consolidation/scoring.go::ComputeRecallScore.
+    recall_count     INTEGER NOT NULL DEFAULT 0,
+    recall_score     REAL    NOT NULL DEFAULT 0,
+    last_recalled_at TEXT
 );
 
 CREATE INDEX IF NOT EXISTS idx_episodic_agent_user ON episodic_summaries(agent_id, user_id);
@@ -1423,6 +1428,8 @@ CREATE UNIQUE INDEX IF NOT EXISTS idx_episodic_source_dedup ON episodic_summarie
     WHERE source_id IS NOT NULL;
 CREATE INDEX IF NOT EXISTS idx_episodic_unpromoted ON episodic_summaries(agent_id, user_id, created_at)
     WHERE promoted_at IS NULL;
+CREATE INDEX IF NOT EXISTS idx_episodic_recall_unpromoted ON episodic_summaries(agent_id, user_id, recall_score DESC)
+    WHERE promoted_at IS NULL;
 
 -- ============================================================
 -- Table: agent_evolution_metrics (V3 self-evolution Stage 1)