docs: realign WP-0029 and boundaries with canon and nexus owners

Review ACTIVITY-WP-0029 against info-tech-canon, policy-nexus, and
State Hub retirement: activity-core keeps schedule and ops_run;
repo-manager owns consistency; hub-core owns progress ports.
Mark WP-0026 finished. Refresh INTENT, SCOPE, and repo-boundary.

.claude/rules/stack-and-commands.md

@@ -1,19 +1,25 @@
 ## Stack
 
-<!-- TODO: Fill in language, frameworks, and key dependencies -->
-- **Language:**
-- **Key deps:**
+- **Language:** Python 3.11+
+- **Key deps:** Temporal, FastAPI, SQLAlchemy/asyncpg, NATS, Alembic, Pydantic
+- **Runtime:** railiance01 k3s (`activity-core` namespace); workstation CLI via `activity`
 
 ## Dev Commands
 
 ```bash
-# TODO: Fill in the standard commands for this repo
+# Install / CLI
+uv sync
+make install-cli
 
-# Install dependencies
+# Tests
+make test
 
-# Run tests
+# Definitions and schedules
+make sync-activity-definitions
+make sync-schedules
+make sync-event-types
 
-# Lint / type check
-
-# Build / package (if applicable)
+# Status (local is degraded without prod DB; use prod helper for live)
+make automation-status SINCE=sunday
+make prod-automation-status SINCE=sunday
 ```