add durable jobs and live job monitor

apps/api/schema.sql

@@ -80,3 +80,37 @@ CREATE INDEX IF NOT EXISTS idx_pipeline_business ON pipeline_entries(business_id
 CREATE INDEX IF NOT EXISTS idx_pipeline_stage ON pipeline_entries(organization_id,stage);
 CREATE INDEX IF NOT EXISTS idx_notes_business ON notes(business_id,created_at);
 CREATE INDEX IF NOT EXISTS idx_interactions_business ON interactions(business_id,created_at);
+
+-- Phase 4 durable background jobs (additive-safe for existing databases).
+CREATE TABLE IF NOT EXISTS jobs (
+ id INTEGER PRIMARY KEY AUTOINCREMENT,
+ organization_id TEXT NOT NULL REFERENCES organizations(id),
+ idempotency_key TEXT NOT NULL,
+ type TEXT NOT NULL,
+ payload TEXT NOT NULL DEFAULT '{}',
+ status TEXT NOT NULL DEFAULT 'queued' CHECK(status IN ('queued','running','succeeded','failed','cancelled')),
+ attempts INTEGER NOT NULL DEFAULT 0,
+ max_attempts INTEGER NOT NULL DEFAULT 3,
+ progress INTEGER NOT NULL DEFAULT 0 CHECK(progress BETWEEN 0 AND 100),
+ error_code TEXT,
+ created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ started_at TEXT,
+ completed_at TEXT,
+ updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ UNIQUE(organization_id,idempotency_key)
+);
+CREATE INDEX IF NOT EXISTS idx_jobs_org_created ON jobs(organization_id,created_at DESC,id DESC);
+CREATE INDEX IF NOT EXISTS idx_jobs_queue ON jobs(status,created_at,id);
+CREATE TABLE IF NOT EXISTS job_events (
+ id INTEGER PRIMARY KEY AUTOINCREMENT,
+ job_id INTEGER NOT NULL REFERENCES jobs(id) ON DELETE CASCADE,
+ organization_id TEXT NOT NULL REFERENCES organizations(id),
+ sequence INTEGER NOT NULL,
+ event_type TEXT NOT NULL,
+ message TEXT NOT NULL DEFAULT '',
+ progress INTEGER NOT NULL DEFAULT 0 CHECK(progress BETWEEN 0 AND 100),
+ error_code TEXT,
+ created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ UNIQUE(job_id,sequence)
+);
+CREATE INDEX IF NOT EXISTS idx_job_events_job_sequence ON job_events(job_id,sequence);