feat: complete image console and add verified REST and MCP workflows

app/db.py

@@ -0,0 +1,86 @@
+"""SQLite 连接与建表。"""
+
+from __future__ import annotations
+
+import sqlite3
+from contextlib import contextmanager
+from typing import Iterator
+
+from . import config
+
+_SCHEMA = """
+CREATE TABLE IF NOT EXISTS providers (
+    id            TEXT PRIMARY KEY,
+    name          TEXT NOT NULL,
+    adapter       TEXT NOT NULL,
+    base_url      TEXT NOT NULL DEFAULT '',
+    api_key       TEXT NOT NULL DEFAULT '',
+    default_model TEXT NOT NULL DEFAULT '',
+    enabled       INTEGER NOT NULL DEFAULT 1,
+    note          TEXT NOT NULL DEFAULT '',
+    created_at    TEXT NOT NULL,
+    updated_at    TEXT NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS models (
+    id                   TEXT PRIMARY KEY,
+    provider_id          TEXT NOT NULL,
+    model_id             TEXT NOT NULL,
+    display_name         TEXT NOT NULL DEFAULT '',
+    enabled              INTEGER NOT NULL DEFAULT 0,
+    kind                 TEXT NOT NULL DEFAULT 'image',
+    size_hint            TEXT NOT NULL DEFAULT '',
+    supports_image_input INTEGER NOT NULL DEFAULT 0,
+    note                 TEXT NOT NULL DEFAULT '',
+    discovered_at        TEXT NOT NULL DEFAULT '',
+    created_at           TEXT NOT NULL,
+    updated_at           TEXT NOT NULL,
+    FOREIGN KEY (provider_id) REFERENCES providers(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS generations (
+    id            TEXT PRIMARY KEY,
+    provider_id   TEXT NOT NULL DEFAULT '',
+    provider_name TEXT NOT NULL DEFAULT '',
+    model         TEXT NOT NULL DEFAULT '',
+    profile_name  TEXT NOT NULL DEFAULT 'user',
+    prompt        TEXT NOT NULL DEFAULT '',
+    size          TEXT NOT NULL DEFAULT '',
+    ratio         TEXT NOT NULL DEFAULT '',
+    n             INTEGER NOT NULL DEFAULT 1,
+    status        TEXT NOT NULL DEFAULT 'success',
+    error         TEXT NOT NULL DEFAULT '',
+    files         TEXT NOT NULL DEFAULT '[]',
+    duration_ms   INTEGER NOT NULL DEFAULT 0,
+    created_at    TEXT NOT NULL
+);
+
+CREATE INDEX IF NOT EXISTS idx_models_provider ON models(provider_id);
+CREATE INDEX IF NOT EXISTS idx_generations_created ON generations(created_at DESC);
+"""
+
+
+def connect() -> sqlite3.Connection:
+    config.ensure_dirs()
+    conn = sqlite3.connect(config.DB_PATH, timeout=30)
+    conn.row_factory = sqlite3.Row
+    conn.execute("PRAGMA foreign_keys = ON")
+    return conn
+
+
+@contextmanager
+def session() -> Iterator[sqlite3.Connection]:
+    conn = connect()
+    try:
+        yield conn
+        conn.commit()
+    except Exception:
+        conn.rollback()
+        raise
+    finally:
+        conn.close()
+
+
+def init_db() -> None:
+    with session() as conn:
+        conn.executescript(_SCHEMA)