Merge Conflicts (#41)

Co-authored-by: Sayan Datta <sayan@Sayans-MacBook-Air.local>
Reviewed-on: #41

backend/migrations/versions/202604230001_observability_foundation.sql

@@ -0,0 +1,22 @@
+-- Velocity production observability foundation.
+-- Creates a lightweight table for durable request/error telemetry when enabled.
+
+CREATE TABLE IF NOT EXISTS app_request_events (
+    event_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    request_id TEXT NOT NULL,
+    method TEXT NOT NULL,
+    path TEXT NOT NULL,
+    status_code INTEGER NOT NULL,
+    duration_ms DOUBLE PRECISION NOT NULL,
+    tenant_id TEXT,
+    user_id UUID,
+    error_type TEXT,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_app_request_events_created_at
+    ON app_request_events (created_at DESC);
+
+CREATE INDEX IF NOT EXISTS idx_app_request_events_path_status
+    ON app_request_events (path, status_code, created_at DESC);
+

backend/migrations/versions/202604260001_mobile_edge_calendar_events.sql

@@ -0,0 +1,30 @@
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+
+CREATE TABLE IF NOT EXISTS user_calendar_events (
+    calendar_event_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    tenant_id TEXT NOT NULL,
+    owner_user_id TEXT NOT NULL,
+    lead_id TEXT,
+    source_event_id UUID,
+    title TEXT NOT NULL,
+    description TEXT,
+    start_at TIMESTAMPTZ NOT NULL,
+    end_at TIMESTAMPTZ NOT NULL,
+    all_day BOOLEAN NOT NULL DEFAULT FALSE,
+    status TEXT NOT NULL DEFAULT 'confirmed'
+        CHECK (status IN ('tentative', 'confirmed', 'done', 'cancelled')),
+    reminder_minutes INTEGER[] NOT NULL DEFAULT '{15}'::INTEGER[],
+    created_by TEXT NOT NULL DEFAULT 'user'
+        CHECK (created_by IN ('user', 'nemoclaw_suggested', 'operator_import')),
+    is_nemoclaw_confirmed BOOLEAN NOT NULL DEFAULT FALSE,
+    location TEXT,
+    metadata JSONB NOT NULL DEFAULT '{}'::JSONB,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_calendar_events_owner
+    ON user_calendar_events (tenant_id, owner_user_id, start_at);
+
+CREATE INDEX IF NOT EXISTS idx_calendar_events_lead
+    ON user_calendar_events (tenant_id, lead_id, start_at);

backend/migrations/versions/202604260002_calendar_event_done_status.sql

@@ -0,0 +1,6 @@
+ALTER TABLE user_calendar_events
+    DROP CONSTRAINT IF EXISTS user_calendar_events_status_check;
+
+ALTER TABLE user_calendar_events
+    ADD CONSTRAINT user_calendar_events_status_check
+    CHECK (status IN ('tentative', 'confirmed', 'done', 'cancelled'));