Merge origin/main into codex/dalidou-storage-foundation

Integrate codex/port-atocore-ops-client (operator client + operations
playbook) so the dalidou-storage-foundation branch can fast-forward
into main.

# Conflicts:
#	README.md

README.md

@@ -24,6 +24,10 @@ curl -X POST http://localhost:8100/context/build \
 
 # CLI ingestion
 python scripts/ingest_folder.py --path /path/to/notes
+
+# Live operator client
+python scripts/atocore_client.py health
+python scripts/atocore_client.py audit-query "gigabit" 5
 ```
 
 ## API Endpoints
@@ -66,10 +70,19 @@ pip install -e ".[dev]"
 pytest
 ```
 
+## Operations
+
+- `scripts/atocore_client.py` provides a live API client for project refresh, project-state inspection, and retrieval-quality audits.
+- `docs/operations.md` captures the current operational priority order: retrieval quality, Wave 2 trusted-operational ingestion, AtoDrive scoping, and restore validation.
+
 ## Architecture Notes
 
 Implementation-facing architecture notes live under `docs/architecture/`.
 
 Current additions:
-- `docs/architecture/engineering-knowledge-hybrid-architecture.md`
-- `docs/architecture/engineering-ontology-v1.md`
+- `docs/architecture/engineering-knowledge-hybrid-architecture.md` — 5-layer hybrid model
+- `docs/architecture/engineering-ontology-v1.md` — V1 object and relationship inventory
+- `docs/architecture/engineering-query-catalog.md` — 20 v1-required queries
+- `docs/architecture/memory-vs-entities.md` — canonical home split
+- `docs/architecture/promotion-rules.md` — Layer 0 to Layer 2 pipeline
+- `docs/architecture/conflict-model.md` — contradictory facts detection and resolution