initial

apps/server/src/schema.sql

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+CREATE TABLE IF NOT EXISTS projects (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  name TEXT NOT NULL,
+  path TEXT NOT NULL UNIQUE,
+  added_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  last_session_id UUID
+);
+
+CREATE TABLE IF NOT EXISTS sessions (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  project_id UUID NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
+  name TEXT NOT NULL,
+  model TEXT NOT NULL,
+  system_prompt TEXT NOT NULL DEFAULT '',
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_sessions_project ON sessions(project_id, updated_at DESC);
+
+CREATE TABLE IF NOT EXISTS messages (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  session_id UUID NOT NULL REFERENCES sessions(id) ON DELETE CASCADE,
+  role TEXT NOT NULL CHECK (role IN ('user', 'assistant', 'tool')),
+  content TEXT NOT NULL DEFAULT '',
+  tool_calls JSONB,
+  tool_results JSONB,
+  status TEXT NOT NULL DEFAULT 'complete' CHECK (status IN ('streaming', 'complete', 'failed')),
+  last_seq INT NOT NULL DEFAULT 0,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_messages_session ON messages(session_id, created_at);
+
+CREATE TABLE IF NOT EXISTS settings (
+  key TEXT PRIMARY KEY,
+  value JSONB NOT NULL
+);
+
+INSERT INTO settings (key, value) VALUES ('default_model', '"qwen3.6-35b-a3b-mxfp4"') ON CONFLICT (key) DO NOTHING;