PHASE_LEDGER.md

PHASE LEDGER: ratelord

2024-05-22

• Action: Initialized Project Seed and Execution Protocol.
• Action: Drafted VISION.md and CONSTITUTION.md.
• Action: Created TASKS.md, PROGRESS.md, and PHASE_LEDGER.md for tracking.

2026-01-25

• Action: Drafted ARCHITECTURE.md and CONSTRAINTS.md (sub-agent drafts, orchestrator integration).
• Action: Updated TASKS.md and PROGRESS.md to reflect current draft status.
• Action: Conceptualized ARCHITECTURE.md storage (removed physical schema), aligned intent terminology (approve, approve_with_modifications, deny_with_reason), and hardened scoping rigor (mandatory dimensions + sentinel IDs).
• Action: Updated CONSTITUTION.md and CONSTRAINTS.md to match new terminology and scoping rules.
• Action: Drafted IDENTITIES.md and DATA_MODEL.md (sub-agent drafts, orchestrator integration).
• Action: Drafted PREDICTION.md, POLICY_ENGINE.md, AGENT_CONTRACT.md, and API_SPEC.md.
• Action: Drafted TUI_SPEC.md, WEB_UI_SPEC.md, WORKFLOWS.md, and ACCEPTANCE.md.
• Action: Completed Phase 3 (Interface & Workflow Specs) and finalized the Required Document Set.
• Action: Hardened orchestration tooling; upgraded loop.sh with bash strict mode, ANSI colors, pre-flight checks, and timing; rewritten LOOP_PROMPT.md to enforce AGENTS.md rules and prescriptive tracking.
• Action: Optimized loop for single-task leverage, frequent commits, and resettable progress tracking; added NEXT_TASK signal handling.
• Action: Defined Phase 4 Implementation Plan (Epics, Milestones, and Test Strategy) in TASKS.md and TEST_STRATEGY.md.
• M2.1: SQLite Initialization (Epic 2) - Implemented pkg/store/types.go (Event structs) and pkg/store/sqlite.go (connection, WAL, schema migration). Verified with pkg/store/store_test.go.

2026-01-26

• Action: Improved loop.sh orchestration script with better argument handling (positional parameters for goal) and added post-run statistics (iteration count, total time, average/min/max duration).
• Action: Fixed typoes and cleaned up usage messaging in loop.sh.
• Action: Committed M2.1 code changes to git repository.
• M2.2 & M2.3: Event Reader & Replay (Epic 2) - Implemented ReadEvents in pkg/store/sqlite.go and verified with comprehensive tests in pkg/store/store_test.go.
• M4.1 & M4.2: Identity & CLI (Epic 4) - Implemented ratelord identity add, POST /v1/identities (event write), and GET /v1/identities (projection read). Verified end-to-end registration and state restoration.
• Epic 7: Forecasting - Implemented forecast model interface, linear burn model, and forecast loop integration. Added pkg/engine/forecast/ package with types, linear model, projection for history, and service for event emission. Wired into poller and main daemon.
• M8.1 & M8.2: TUI Foundation & Dashboard (Epic 8) - Initialized ratelord-tui with Bubbletea, implemented polling loop, connected to daemon, and built dashboard view with identity list and live event stream.
• M10.1: End-to-End Simulation Script (Epic 10) - Implemented ratelord-sim tool to generate realistic traffic patterns and verify system stability.
• M10.4: Final Acceptance Run (Epic 10) - Executed full acceptance suite. Identified critical issues in Policy Engine and Drift Persistence (see ACCEPTANCE_REPORT.md). Defined Phase 5 Remediation plan.
• Action: Verified TUI backend: built ratelord-d and ratelord-tui, started daemon, confirmed health check and event streaming, killed cleanly.
• Action: Updated NEXT_STEPS.md with manual TUI verification instructions.
• Action: Marked M12.2 as ready for manual verification in PROGRESS.md and TASKS.md.
• Action: Defined Phase 7 (Real Providers) in TASKS.md, including Epic 14 (GitHub) and Epic 15 (OpenAI). Updated NEXT_STEPS.md to prioritize GitHub integration.
• Action: Refined Epic 16 (Dogfooding & Tuning) into concrete steps (M16.1, M16.2, M16.3).
• M16.1 & M16.2: Dogfood Setup & Run (Epic 16) - Created deploy/dogfood environment with real policy and run scripts. Executed operational run and verified event logging (3 events, 2 polls) with verify_events.go.
• M16.3: Analysis & Tuning (Epic 16) - Analyzed forecast accuracy with analyze_forecast.go. The linear burn model correctly predicted exhaustion times based on synthetic bursty traffic, though with expected variance due to the randomness of the simulation.
• M13.2: Deployment Guide (Epic 13) - Drafted DEPLOYMENT.md covering Systemd, Docker, and Kubernetes Sidecar patterns.
• M17.2: Go SDK (Epic 17) - Implemented pkg/client with types, client, and tests. Created example usage in examples/go/basic/.
• M17.3: Python SDK (Epic 17) - Implemented sdk/python package with client, tests, and README. Verified PyPI structure and fail-closed behavior.
• Action: Implemented Web UI Dashboard View: Created API client (web/src/lib/api.ts), AppShell layout (web/src/layouts/AppShell.tsx), Dashboard page (web/src/pages/Dashboard.tsx), and updated App.tsx for routing. Built successfully with TypeScript and Vite.
• M18.4: Build Integration (Epic 18) - Integrated Web UI into daemon using //go:embed. Updated Makefile to build web assets and embed them into cmd/ratelord-d. Added --web-dir flag to serve dev builds or embedded assets by default.
• Epic 18: Web UI Implementation - Status: Completed. Implemented Dashboard, History, and Identity Explorer. React + Vite + Tailwind stack embedded in Go binary.
• M21.1: Robust Config Loader (Epic 21) - Implemented Config struct in ratelord-d with priority: Flags > Env Vars > Defaults. Supported db, policy, port, and web-dir. Updated NewServer to accept custom address. Verified build.

2026-02-06

• M22.2: Temporal Rules (Epic 22) - Implemented TimeWindow schema in PolicyConfig, Matches logic in pkg/engine/policy_time.go, and integrated it into the Policy Evaluator. Verified with unit tests covering timezone handling, day matching, and cross-midnight ranges.
• Action: Expanded Phase 10 Epics (Adaptive Throttling, Trends, Webhooks) in TASKS.md with detailed implementation milestones.
• M23.3: Secure Headers (Epic 23) - Implemented withSecureHeaders middleware in pkg/api/server.go adding HSTS, CSP, XFO, etc. Verified with new unit test pkg/api/server_test.go.
• M25.1: Aggregation Schema (Epic 25) - Added UsageStat struct to pkg/store/types.go. Updated migrate() in pkg/store/sqlite.go to create system_state, usage_hourly, and usage_daily tables. Implemented GetSystemState, SetSystemState, and UpsertUsageStats methods with transaction-based batch upsert and table selection logic based on bucket_ts.
• M25.2: Rollup Worker Core (Epic 25) - Created pkg/engine/rollup.go with RollupWorker struct and Run(ctx) method. Implemented aggregation logic to read usage_observed events, group by bucket hour, calculate min/max/event_count/total_usage (sum deltas), and upsert to usage_hourly. Integrated into cmd/ratelord-d/main.go to start in background goroutine.
• M25.3: Trend API (Epic 25) - Implemented GetUsageStats in Store with filtering support. Added GET /v1/trends endpoint to API server to serve aggregated usage data. Verified with integration tests.
• M25.4: Integration Test (Epic 25) - Created tests/integration/trends_test.go to verify end-to-end functionality: from event ingestion -> rollup worker aggregation -> API serving correct statistics.
• M26.2: Dispatcher (Epic 26) - Created pkg/engine/dispatcher.go with Dispatcher struct. Implemented async polling loop, event matching, HTTP dispatch with retries, and cursor management in system_state. Integrated into cmd/ratelord-d/main.go and verified with unit test pkg/engine/dispatcher_test.go.
• M27.2: Snapshot Worker (Epic 27) - Implemented SnapshotWorker in pkg/engine/snapshot.go. Updates IdentityProjection and UsageProjection to track lastEventID and lastIngestTime. Snapshot worker periodically serializes both projections to snapshots table using the timestamp of the older state to ensure consistency.
• M27.3: Startup Optimization (Epic 27) - Implemented LoadLatestSnapshot in pkg/engine/snapshot.go. Expanded SnapshotPayload to include ProviderStates and ForecastHistories for full recovery. Updated IdentityProjection, UsageProjection, ProviderProjection, and ForecastProjection with LoadState methods. Wired into cmd/ratelord-d/main.go to attempt snapshot load before full replay. Verified with full test suite.
• M29.3: Cost Policy (Epic 29) - Updated pkg/engine/policy.go to support cost (budget cap), forecast_tte (prediction-based), and provider_id checks in the DSL. Verified with new test suite pkg/engine/policy_cost_test.go.
• M30.1: Grant Protocol Definition (Epic 30) - Updated API_SPEC.md with POST /v1/federation/grant specification for Leader-Follower token negotiation. Updated CLUSTER_FEDERATION.md to status IMPLEMENTING and referenced the API spec.
• M32.3: Atomic Operations (Epic 32) - Refactored RedisUsageStore to use Redis Hashes for storing PoolState fields. Implemented atomic increments using Lua scripts for Increment method. Updated UsageStore interface and MemoryUsageStore accordingly.
• M33.1: Leader Election Stores (Epic 33) - Implemented LeaseStore interface and Lease struct in pkg/store/types.go. Implemented RedisLeaseStore using SETNX and Lua scripts for renewal. Implemented SQLiteLeaseStore (on main Store) using atomic SQL operations.
• M33.2: Election Manager (Epic 33) - Implemented ElectionManager in pkg/engine/election.go to handle background leader election loop (Acquire/Renew). Integrated into cmd/ratelord-d/main.go to dynamically start/stop leader services (Poller, Rollup, Snapshot, Dispatcher) based on election status. Verified with unit tests pkg/engine/election_test.go.

2026-02-07

• Action: Implemented integration test for ArchiveWorker in pkg/engine/archive_test.go (TestArchiveWorker_ProcessBatch). Verified archiving of old events to blob storage and deletion from store.
• Epic 39: Model Context Protocol (MCP) Integration (Epic 39) - Implemented pkg/mcp with Server adapting ratelord to MCP protocol. Implemented ratelord://events and ratelord://usage resources, ask_intent tool, and ratelord-aware prompt. Extended pkg/client to support fetching events and trends. Integrated into ratelord CLI as ratelord mcp command.
• M37.2: Compliance Reports (Epic 37) - Implemented pkg/reports engine with CSV generation support. Implemented AccessLogReport (for intent_decided audit trail) and UsageReport (for aggregated usage statistics). Added QueryEvents capability to Store for flexible filtering. Exposed via GET /v1/reports endpoint with filtering parameters (time range, identity, scope, etc.).
• M33.4: Split-Brain Protection (Epic 33) - Added Epoch (int64) to Lease struct and ElectionManager. Updated RedisLeaseStore and SqliteLeaseStore to atomically increment and validate epoch during acquisition/renewal. Wired epoch into Event metadata and validated it during critical state transitions (Start/Stop services).
• M36.3: Compliance & Deletion (Epic 36) - Implemented DeleteIdentityData in pkg/store/sqlite.go to hard-delete all events and records for a specific identity. Exposed via DELETE /v1/identities/{id} in pkg/api/server.go. Verified GDPR "Right to be Forgotten" compliance.
• M37.3: Policy Debugging (Epic 37) - Implemented Trace Mode persistence by updating POST /v1/intent to append intent_decided events with full RuleTrace payload to the event log. Updated Web UI EventDetailPanel to visualize the policy evaluation steps (condition, result, reason) for these events.
• Action: Drafted docs/concepts/architecture.md, docs/concepts/core-model.md, and docs/reference/api.md to provide user-facing documentation of key system concepts and interfaces.
• Action: Reviewed and improved user-facing documentation (docs/sdks/, docs/guides/cli.md). Aligned SDK implementation with documentation by removing "In Development" status and fixing a discrepancy in pkg/api where the priority field was not correctly mapped to the urgency JSON tag expected by clients.
• Action: Comprehensive documentation review and update. Verified docs/configuration.md against codebase (added env vars, policy config). Updated docs/reference/api.md with missing endpoints. Improved docs/guides/policy.md consistency with engine logic. Clarified CLI capabilities in docs/guides/cli.md and docs/installation.md.
• Action: Created docs/guides/mcp.md detailing the Model Context Protocol integration and updated docs/index.md with a link.
• M43.2: Complete Graph Projection (Epic 43) - Implemented EventTypePolicyUpdated and updated pkg/graph/projection.go to handle policy updates by creating Constraint and Scope nodes. Added Adjacency Index (scopeConstraints) for O(1) graph traversal during policy evaluation. Verified with unit tests.