ALTER TABLE ai_insight_snapshots ADD COLUMN IF NOT EXISTS deterministic_copy jsonb;
-- statement-break
ALTER TABLE ai_insight_snapshots ADD COLUMN IF NOT EXISTS provider_request_id text;
-- statement-break
UPDATE ai_insight_snapshots SET deterministic_copy=ai_response WHERE deterministic_copy IS NULL;
-- statement-break
CREATE TABLE IF NOT EXISTS growth_coach_profiles (
    id text PRIMARY KEY,
    merchant_id bigint NOT NULL REFERENCES merchants(id),
    terminal_id bigint NOT NULL REFERENCES terminals(id),
    terminal_source_key text NOT NULL,
    version integer NOT NULL CHECK (version > 0),
    is_current boolean NOT NULL DEFAULT true,
    business_description text NOT NULL CHECK (char_length(business_description) BETWEEN 20 AND 2000),
    niches jsonb NOT NULL,
    sales_channels jsonb NOT NULL,
    primary_goal text NOT NULL CHECK (char_length(primary_goal) BETWEEN 3 AND 500),
    constraints_text text NOT NULL DEFAULT '' CHECK (char_length(constraints_text) <= 1000),
    difficulty smallint NOT NULL DEFAULT 2 CHECK (difficulty BETWEEN 1 AND 5),
    actor_user_id bigint NOT NULL REFERENCES merchant_users(id),
    created_at timestamptz NOT NULL DEFAULT now(),
    UNIQUE (merchant_id,terminal_id,version)
);
-- statement-break
CREATE UNIQUE INDEX IF NOT EXISTS growth_coach_profile_current_idx ON growth_coach_profiles(merchant_id,terminal_id) WHERE is_current;
-- statement-break
CREATE TABLE IF NOT EXISTS growth_coach_plans (
    id text PRIMARY KEY,
    merchant_id bigint NOT NULL REFERENCES merchants(id),
    terminal_id bigint NOT NULL REFERENCES terminals(id),
    terminal_source_key text NOT NULL,
    profile_id text NOT NULL REFERENCES growth_coach_profiles(id),
    parent_id text REFERENCES growth_coach_plans(id),
    cadence text NOT NULL CHECK (cadence IN ('DAILY','WEEKLY','MONTHLY')),
    status text NOT NULL CHECK (status IN ('GENERATING','READY','PARTIAL','FAILED','CLOSED')),
    period_start date NOT NULL,
    period_end date NOT NULL,
    daily_brief text,
    difficulty smallint NOT NULL CHECK (difficulty BETWEEN 1 AND 5),
    prompt_version text NOT NULL,
    schema_version text NOT NULL,
    model text NOT NULL,
    provider_request_id text,
    input_tokens bigint NOT NULL DEFAULT 0,
    output_tokens bigint NOT NULL DEFAULT 0,
    latency_ms bigint NOT NULL DEFAULT 0,
    provider_requests bigint NOT NULL DEFAULT 0,
    estimated_cost text,
    failure_code text,
    created_at timestamptz NOT NULL DEFAULT now(),
    completed_at timestamptz,
    CHECK (period_end >= period_start)
);
-- statement-break
CREATE INDEX IF NOT EXISTS growth_coach_plans_scope_idx ON growth_coach_plans(merchant_id,terminal_id,cadence,period_start DESC);
-- statement-break
CREATE TABLE IF NOT EXISTS growth_coach_recommendations (
    id text PRIMARY KEY,
    plan_id text NOT NULL REFERENCES growth_coach_plans(id) ON DELETE CASCADE,
    merchant_id bigint NOT NULL REFERENCES merchants(id),
    terminal_id bigint NOT NULL REFERENCES terminals(id),
    rank smallint NOT NULL CHECK (rank BETWEEN 1 AND 5),
    status text NOT NULL CHECK (status IN ('OFFERED','ACCEPTED','REJECTED','EXPIRED')),
    action_type text NOT NULL CHECK (action_type IN ('MANUAL','METRIC')),
    title text NOT NULL,
    rationale text NOT NULL,
    expected_impact text NOT NULL,
    effort text NOT NULL CHECK (effort IN ('LOW','MEDIUM','HIGH')),
    evidence_ids jsonb NOT NULL,
    metric_id text,
    metric_direction text CHECK (metric_direction IN ('INCREASE','DECREASE')),
    action_level text CHECK (action_level IN ('SMALL','MEDIUM','STRETCH')),
    baseline numeric(30,6),
    target numeric(30,6),
    sample_size bigint,
    deadline date NOT NULL,
    decision_reason text,
    decision_note text,
    decided_by bigint REFERENCES merchant_users(id),
    decided_at timestamptz,
    created_at timestamptz NOT NULL DEFAULT now(),
    UNIQUE(plan_id,rank)
);
-- statement-break
CREATE TABLE IF NOT EXISTS golden_steps (
    id text PRIMARY KEY,
    recommendation_id text NOT NULL UNIQUE REFERENCES growth_coach_recommendations(id),
    merchant_id bigint NOT NULL REFERENCES merchants(id),
    terminal_id bigint NOT NULL REFERENCES terminals(id),
    terminal_source_key text NOT NULL,
    action_type text NOT NULL CHECK (action_type IN ('MANUAL','METRIC')),
    title text NOT NULL,
    status text NOT NULL CHECK (status IN ('NOT_STARTED','IN_PROGRESS','COMPLETED','ABANDONED','MISSED')),
    metric_id text,
    metric_direction text,
    baseline numeric(30,6),
    target numeric(30,6),
    current_value numeric(30,6),
    sample_size bigint,
    deadline date NOT NULL,
    started_at timestamptz,
    completed_at timestamptz,
    actor_user_id bigint NOT NULL REFERENCES merchant_users(id),
    created_at timestamptz NOT NULL DEFAULT now(),
    updated_at timestamptz NOT NULL DEFAULT now()
);
-- statement-break
CREATE INDEX IF NOT EXISTS golden_steps_scope_idx ON golden_steps(merchant_id,terminal_id,status,deadline);
-- statement-break
CREATE TABLE IF NOT EXISTS growth_coach_jobs (
    id text PRIMARY KEY,
    merchant_id bigint NOT NULL REFERENCES merchants(id),
    terminal_id bigint NOT NULL REFERENCES terminals(id),
    terminal_source_key text NOT NULL,
    profile_id text NOT NULL REFERENCES growth_coach_profiles(id),
    cadence text NOT NULL CHECK (cadence IN ('DAILY','WEEKLY','MONTHLY')),
    trigger_reason text NOT NULL,
    period_start date NOT NULL,
    period_end date NOT NULL,
    fingerprint text NOT NULL UNIQUE,
    idempotency_key text,
    request_hash text,
    status text NOT NULL CHECK (status IN ('QUEUED','RUNNING','COMPLETED','FAILED')),
    attempts integer NOT NULL DEFAULT 0,
    scheduled_at timestamptz NOT NULL DEFAULT now(),
    lease_token text,
    lease_expires_at timestamptz,
    failure_code text,
    created_at timestamptz NOT NULL DEFAULT now(),
    updated_at timestamptz NOT NULL DEFAULT now(),
    completed_at timestamptz,
    UNIQUE(merchant_id,idempotency_key)
);
-- statement-break
CREATE INDEX IF NOT EXISTS growth_coach_jobs_pending_idx ON growth_coach_jobs(scheduled_at,created_at) WHERE status IN ('QUEUED','RUNNING');
-- statement-break
CREATE TABLE IF NOT EXISTS growth_coach_events (
    id bigserial PRIMARY KEY,
    merchant_id bigint NOT NULL REFERENCES merchants(id),
    terminal_id bigint NOT NULL REFERENCES terminals(id),
    actor_user_id bigint REFERENCES merchant_users(id),
    entity_type text NOT NULL,
    entity_id text NOT NULL,
    event_type text NOT NULL,
    payload jsonb NOT NULL DEFAULT '{}'::jsonb,
    occurred_at timestamptz NOT NULL DEFAULT now()
);
-- statement-break
CREATE TABLE IF NOT EXISTS growth_coach_progress_snapshots (
    id bigserial PRIMARY KEY,
    action_id text NOT NULL REFERENCES golden_steps(id) ON DELETE CASCADE,
    watermark text NOT NULL,
    value numeric(30,6) NOT NULL,
    sample_size bigint NOT NULL,
    evaluated_at timestamptz NOT NULL DEFAULT now(),
    UNIQUE(action_id,watermark)
);
-- statement-break
CREATE TABLE IF NOT EXISTS growth_coach_difficulty_proposals (
    id text PRIMARY KEY,
    merchant_id bigint NOT NULL REFERENCES merchants(id),
    terminal_id bigint NOT NULL REFERENCES terminals(id),
    from_level smallint NOT NULL CHECK (from_level BETWEEN 1 AND 5),
    to_level smallint NOT NULL CHECK (to_level BETWEEN 1 AND 5),
    reason text NOT NULL,
    status text NOT NULL CHECK (status IN ('OFFERED','ACCEPTED','REJECTED','EXPIRED')),
    decided_by bigint REFERENCES merchant_users(id),
    decided_at timestamptz,
    created_at timestamptz NOT NULL DEFAULT now()
);
-- statement-break
CREATE TABLE IF NOT EXISTS growth_coach_outcome_reviews (
    id text PRIMARY KEY,
    plan_id text NOT NULL UNIQUE REFERENCES growth_coach_plans(id),
    merchant_id bigint NOT NULL REFERENCES merchants(id),
    terminal_id bigint NOT NULL REFERENCES terminals(id),
    summary text NOT NULL,
    completed_on_time integer NOT NULL DEFAULT 0,
    missed integer NOT NULL DEFAULT 0,
    created_at timestamptz NOT NULL DEFAULT now()
);
-- statement-break
CREATE TABLE IF NOT EXISTS growth_coach_idempotency (
    merchant_id bigint NOT NULL REFERENCES merchants(id),
    idempotency_key text NOT NULL,
    request_hash text NOT NULL,
    response jsonb NOT NULL,
    created_at timestamptz NOT NULL DEFAULT now(),
    PRIMARY KEY(merchant_id,idempotency_key)
);
-- statement-break
INSERT INTO schema_migrations(version) VALUES (5) ON CONFLICT DO NOTHING;