Squashed 'module/db/' content from commit bb722db

git-subtree-dir: module/db
git-subtree-split: bb722db96e

README.md

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+# Agent Collaboration Test

migrate.py

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+import sqlite3
+import os
+
+DB_PATH = 'app.db'
+
+def migrate():
+    conn = sqlite3.connect(DB_PATH)
+    cursor = conn.cursor()
+    
+    with open('schema.sql', 'r') as f:
+        cursor.executescript(f.read())
+    
+    with open('seed.sql', 'r') as f:
+        cursor.executescript(f.read())
+    
+    conn.commit()
+    conn.close()
+    print(f"Database migrated: {DB_PATH}")
+
+if __name__ == '__main__':
+    migrate()

schema.sql

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+CREATE TABLE IF NOT EXISTS users (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name TEXT NOT NULL,
+    email TEXT UNIQUE,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS sessions (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id INTEGER REFERENCES users(id),
+    token TEXT NOT NULL,
+    expires_at TIMESTAMP NOT NULL
+);

seed.sql

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+INSERT INTO users (name, email) VALUES ('Alice', 'alice@example.com');
+INSERT INTO users (name, email) VALUES ('Bob', 'bob@example.com');
+INSERT INTO users (name, email) VALUES ('Charlie', 'charlie@example.com');