SlabUploader/backend/db/schema.sql

-- SlabUploader SQLite schema (S0)
-- Every table/column from docs/contracts/DATA-MODEL.md using CREATE TABLE IF NOT EXISTS
-- Taxonomy tables exist but remain EMPTY (S4 populates). Stdlib sqlite3 only.
-- Pragmas applied by db factory: journal_mode=WAL, foreign_keys=ON, busy_timeout=5000, synchronous=NORMAL

PRAGMA foreign_keys = ON;

-- 2. slabs
CREATE TABLE IF NOT EXISTS slabs (
    id TEXT PRIMARY KEY,
    status TEXT NOT NULL DEFAULT 'draft' CHECK(status IN ('draft','calibrated','ready','publishing','published','failed')),
    sku TEXT UNIQUE CHECK(length(sku) BETWEEN 3 AND 24),
    length_in REAL,
    thickness_in REAL,
    sqft REAL,
    bdft REAL,
    width_min_in REAL,
    width_max_in REAL,
    width_avg_in REAL,
    species_id INTEGER,
    wood_category_ids TEXT,  -- JSON array of leaf ids
    edge_type_term_id INTEGER,
    figure_term_ids TEXT,    -- JSON array
    grade_term_id INTEGER,
    thickness_term_id INTEGER,
    moisture_term_id INTEGER,
    fig_tag_ids TEXT,        -- JSON array optional
    feat_tag_ids TEXT,       -- JSON array optional
    price REAL,
    price_source TEXT CHECK(price_source IN ('recommendation','override') OR price_source IS NULL),
    title TEXT,
    short_description TEXT,
    description TEXT,
    content_source TEXT CHECK(content_source IN ('manual','llm','template') OR content_source IS NULL),
    species_confidence REAL,
    figure_confidence REAL,
    grade_confidence REAL,
    inference_status TEXT CHECK(inference_status IN ('inferring','done','failed') OR inference_status IS NULL),
    calibration_photo_id TEXT,
    client_rev INTEGER NOT NULL DEFAULT 1,
    server_rev INTEGER NOT NULL DEFAULT 1,
    woo_product_id INTEGER,
    published_at TEXT,
    deleted_at TEXT,
    created_at TEXT NOT NULL,
    updated_at TEXT NOT NULL,
    FOREIGN KEY (species_id) REFERENCES woo_categories(id),
    FOREIGN KEY (calibration_photo_id) REFERENCES slab_photos(id)
);

-- 3. slab_photos
CREATE TABLE IF NOT EXISTS slab_photos (
    id TEXT PRIMARY KEY,
    slab_id TEXT NOT NULL,
    seq INTEGER NOT NULL,
    is_calibration INTEGER NOT NULL DEFAULT 0 CHECK(is_calibration IN (0,1)),
    original_blob BLOB,
    processed_blob BLOB,
    width_px INTEGER,
    height_px INTEGER,
    created_at TEXT NOT NULL,
    FOREIGN KEY (slab_id) REFERENCES slabs(id) ON DELETE CASCADE
);

-- 4. pricing_rules
CREATE TABLE IF NOT EXISTS pricing_rules (
    id INTEGER PRIMARY KEY,
    species_id INTEGER NOT NULL UNIQUE,
    price_per_bdft REAL NOT NULL,
    created_at TEXT NOT NULL,
    updated_at TEXT NOT NULL,
    FOREIGN KEY (species_id) REFERENCES woo_categories(id)
);

-- 5. Taxonomy cache (empty at S0; columns chosen to support FKs + S4 sync; ambiguity resolved in learnings)
CREATE TABLE IF NOT EXISTS woo_categories (
    id INTEGER PRIMARY KEY,
    name TEXT NOT NULL,
    slug TEXT NOT NULL UNIQUE,
    parent_id INTEGER,
    woo_id INTEGER
);

CREATE TABLE IF NOT EXISTS woo_attributes (
    id INTEGER PRIMARY KEY,
    name TEXT NOT NULL,
    slug TEXT NOT NULL UNIQUE,
    woo_id INTEGER
);

CREATE TABLE IF NOT EXISTS woo_attribute_terms (
    id INTEGER PRIMARY KEY,
    attribute_id INTEGER NOT NULL,
    name TEXT NOT NULL,
    slug TEXT NOT NULL,
    woo_id INTEGER,
    FOREIGN KEY (attribute_id) REFERENCES woo_attributes(id)
);

CREATE TABLE IF NOT EXISTS woo_tags (
    id INTEGER PRIMARY KEY,
    name TEXT NOT NULL,
    slug TEXT NOT NULL UNIQUE,
    woo_id INTEGER
);

-- 6. settings (key/value/value_enc per §6; secrets in value_enc = nonce||ciphertext)
CREATE TABLE IF NOT EXISTS settings (
    key TEXT PRIMARY KEY,
    value TEXT,
    value_enc TEXT
);

CREATE TABLE IF NOT EXISTS schema_version (version INTEGER PRIMARY KEY);

-- 7. prompts + prompt_revisions (append-only revisions)
CREATE TABLE IF NOT EXISTS prompts (
    id INTEGER PRIMARY KEY,
    name TEXT NOT NULL CHECK(name IN ('call1','call2')),
    active_revision_id INTEGER,
    created_at TEXT NOT NULL,
    updated_at TEXT NOT NULL,
    FOREIGN KEY (active_revision_id) REFERENCES prompt_revisions(id)
);

CREATE TABLE IF NOT EXISTS prompt_revisions (
    id INTEGER PRIMARY KEY,
    prompt_id INTEGER NOT NULL,
    content TEXT NOT NULL,
    content_hash TEXT NOT NULL,
    created_at TEXT NOT NULL,
    created_by TEXT,
    FOREIGN KEY (prompt_id) REFERENCES prompts(id)
);

-- 8. sync_log (append-only)
CREATE TABLE IF NOT EXISTS sync_log (
    id INTEGER PRIMARY KEY,
    slab_id TEXT,
    woo_product_id INTEGER,
    status TEXT NOT NULL CHECK(status IN ('success','failed')),
    payload_hash TEXT,
    message TEXT,
    created_at TEXT NOT NULL
);

-- 9. inference_log (append-only audit)
CREATE TABLE IF NOT EXISTS inference_log (
    id INTEGER PRIMARY KEY,
    slab_id TEXT,
    call INTEGER NOT NULL CHECK(call IN (1,2)),
    prompt_revision_id INTEGER,
    model TEXT,
    request_payload TEXT,
    response_payload TEXT,
    latency_ms INTEGER,
    created_at TEXT NOT NULL,
    FOREIGN KEY (prompt_revision_id) REFERENCES prompt_revisions(id)
);