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Timmy-time-dashboard/docs/IMPLEMENTATION_SUMMARY.md
Alexander Payne d8d976aa60 feat: complete Event Log, Ledger, Memory, Cascade Router, Upgrade Queue, Activity Feed
This commit implements six major features:

1. Event Log System (src/swarm/event_log.py)
   - SQLite-based audit trail for all swarm events
   - Task lifecycle tracking (created, assigned, completed, failed)
   - Agent lifecycle tracking (joined, left, status changes)
   - Integrated with coordinator for automatic logging
   - Dashboard page at /swarm/events

2. Lightning Ledger (src/lightning/ledger.py)
   - Transaction tracking for Lightning Network payments
   - Balance calculations (incoming, outgoing, net, available)
   - Integrated with payment_handler for automatic logging
   - Dashboard page at /lightning/ledger

3. Semantic Memory / Vector Store (src/memory/vector_store.py)
   - Embedding-based similarity search for Echo agent
   - Fallback to keyword matching if sentence-transformers unavailable
   - Personal facts storage and retrieval
   - Dashboard page at /memory

4. Cascade Router Integration (src/timmy/cascade_adapter.py)
   - Automatic LLM failover between providers (Ollama → AirLLM → API)
   - Circuit breaker pattern for failing providers
   - Metrics tracking per provider (latency, error rates)
   - Dashboard status page at /router/status

5. Self-Upgrade Approval Queue (src/upgrades/)
   - State machine for self-modifications: proposed → approved/rejected → applied/failed
   - Human approval required before applying changes
   - Git integration for branch management
   - Dashboard queue at /self-modify/queue

6. Real-Time Activity Feed (src/events/broadcaster.py)
   - WebSocket-based live activity streaming
   - Bridges event_log to dashboard clients
   - Activity panel on /swarm/live

Tests:
- 101 unit tests passing
- 4 new E2E test files for Selenium testing
- Run with: SELENIUM_UI=1 pytest tests/functional/ -v --headed

Documentation:
- 6 ADRs (017-022) documenting architecture decisions
- Implementation summary in docs/IMPLEMENTATION_SUMMARY.md
- Architecture diagram in docs/architecture-v2.md
2026-02-26 08:01:01 -05:00

4.9 KiB

Implementation Summary: 3 New Features

Completed Features

1. Cascade Router Integration

Files Created:

  • src/timmy/cascade_adapter.py - Adapter between Timmy and Cascade Router
  • src/dashboard/routes/router.py - Dashboard routes for router status
  • src/dashboard/templates/router_status.html - Router status UI

Files Modified:

  • src/dashboard/app.py - Registered router routes
  • src/dashboard/templates/base.html - Added ROUTER nav link

Usage:

from timmy.cascade_adapter import get_cascade_adapter
adapter = get_cascade_adapter()
response = await adapter.chat("Hello")
print(f"Response: {response.content}")
print(f"Provider: {response.provider_used}")

Dashboard: /router/status


2. Self-Upgrade Approval Queue

Files Created:

  • src/upgrades/models.py - Database models for upgrades table
  • src/upgrades/queue.py - Queue management logic
  • src/dashboard/routes/upgrades.py - Dashboard routes
  • src/dashboard/templates/upgrade_queue.html - Queue UI

Files Modified:

  • src/dashboard/app.py - Registered upgrade routes
  • src/dashboard/templates/base.html - Added UPGRADES nav link

Usage:

from upgrades.queue import UpgradeQueue

# Propose upgrade
upgrade = UpgradeQueue.propose(
    branch_name="self-modify/fix-bug",
    description="Fix bug in task assignment",
    files_changed=["src/swarm/coordinator.py"],
    diff_preview="@@ -123,7 +123,7 @@...",
)

# Approve
UpgradeQueue.approve(upgrade.id)

# Apply (runs tests, merges to main)
success, message = UpgradeQueue.apply(upgrade.id)

Dashboard: /self-modify/queue


3. Real-Time Activity Feed

Files Created:

  • src/events/broadcaster.py - Bridge event_log → WebSocket

Files Modified:

  • src/swarm/event_log.py - Added broadcast call
  • src/ws_manager/handler.py - Added broadcast_json() method
  • src/dashboard/templates/swarm_live.html - Added activity feed panel

Architecture:

Event Occurs → log_event() → SQLite
                    ↓
             event_broadcaster.broadcast_sync()
                    ↓
             ws_manager.broadcast_json()
                    ↓
             Dashboard (WebSocket)

Dashboard: /swarm/live (activity feed panel)


Test Results

Unit Tests: 101 passed

tests/test_event_log.py       25 passed
tests/test_ledger.py          18 passed  
tests/test_vector_store.py    11 passed
tests/test_swarm.py           29 passed
tests/test_dashboard.py       18 passed

E2E Tests: Created (3 new test files)

  • tests/functional/test_cascade_router_e2e.py
  • tests/functional/test_upgrade_queue_e2e.py
  • tests/functional/test_activity_feed_e2e.py

Running E2E Tests (Non-Headless)

Watch the browser execute tests in real-time:

# 1. Start the server
cd /Users/apayne/Timmy-time-dashboard
source .venv/bin/activate
make dev

# 2. In another terminal, run E2E tests
source .venv/bin/activate
SELENIUM_UI=1 pytest tests/functional/test_cascade_router_e2e.py -v --headed

# Or run all E2E tests
SELENIUM_UI=1 pytest tests/functional/ -v --headed

The --headed flag runs Chrome in visible mode so you can watch.


Database Schema Updates

Three new tables created automatically:

-- Event Log (existing, now with broadcast)
CREATE TABLE event_log (...);

-- Lightning Ledger (existing)
CREATE TABLE ledger (...);

-- Vector Store (existing)
CREATE TABLE memory_entries (...);

-- NEW: Upgrade Queue
CREATE TABLE upgrades (
    id TEXT PRIMARY KEY,
    status TEXT NOT NULL,
    proposed_at TEXT NOT NULL,
    branch_name TEXT NOT NULL,
    description TEXT NOT NULL,
    files_changed TEXT,
    diff_preview TEXT,
    test_passed INTEGER DEFAULT 0,
    test_output TEXT,
    error_message TEXT,
    approved_by TEXT
);

Navigation Updates

New nav links in dashboard header:

  • EVENTS/swarm/events
  • LEDGER/lightning/ledger
  • MEMORY/memory
  • ROUTER/router/status
  • UPGRADES/self-modify/queue

Architecture Alignment

All 3 features follow existing patterns:

  • Singleton pattern for services (cascade_adapter, event_broadcaster)
  • SQLite persistence through consistent DB access pattern
  • Dashboard routes following existing route structure
  • Jinja2 templates extending base.html
  • Event-driven using existing event log infrastructure
  • WebSocket using existing ws_manager

Security Considerations

Feature Risk Mitigation
Cascade Router API key exposure Uses existing config system
Upgrade Queue Unauthorized changes Human approval required
Activity Feed Data leak Events sanitized before broadcast

Next Steps

  1. Run E2E tests with SELENIUM_UI=1 pytest tests/functional/ -v --headed
  2. Manually test each dashboard page
  3. Verify WebSocket real-time updates in /swarm/live
  4. Test upgrade queue workflow end-to-end