kin: KIN-135-backend_dev

core/db.py

@@ -72,6 +72,7 @@ CREATE TABLE IF NOT EXISTS tasks (
     telegram_sent BOOLEAN DEFAULT 0,
     acceptance_criteria TEXT,
     smoke_test_result JSON DEFAULT NULL,
+    return_count INTEGER DEFAULT 0,
     created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
     updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
 );
@@ -151,6 +152,7 @@ CREATE TABLE IF NOT EXISTS pipelines (
     parent_pipeline_id INTEGER REFERENCES pipelines(id),
     department TEXT,
     pid INTEGER,
+    pipeline_type TEXT DEFAULT 'standard',
     created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
     completed_at DATETIME
 );
@@ -326,6 +328,20 @@ CREATE TABLE IF NOT EXISTS pipeline_log (
 );
 
 CREATE INDEX IF NOT EXISTS idx_pipeline_log_pipeline_id ON pipeline_log(pipeline_id, id);
+
+-- История возвратов задачи к PM (KIN-135)
+CREATE TABLE IF NOT EXISTS task_returns (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    task_id TEXT NOT NULL REFERENCES tasks(id) ON DELETE CASCADE,
+    return_number INTEGER NOT NULL,
+    reason_category TEXT NOT NULL,
+    reason_text TEXT,
+    returned_by TEXT DEFAULT 'system',
+    pipeline_id INTEGER REFERENCES pipelines(id),
+    returned_at TEXT NOT NULL DEFAULT (datetime('now'))
+);
+
+CREATE INDEX IF NOT EXISTS idx_task_returns_task_id ON task_returns(task_id);
 """
 
 
@@ -800,6 +816,39 @@ def _migrate(conn: sqlite3.Connection):
         conn.execute("ALTER TABLE tasks ADD COLUMN smoke_test_result JSON DEFAULT NULL")
         conn.commit()
 
+    # KIN-135: Add return_count to tasks — counts full returns to PM
+    task_cols_final3 = {r[1] for r in conn.execute("PRAGMA table_info(tasks)").fetchall()}
+    if "return_count" not in task_cols_final3:
+        conn.execute("ALTER TABLE tasks ADD COLUMN return_count INTEGER DEFAULT 0")
+        conn.commit()
+
+    # KIN-135: Add pipeline_type to pipelines — distinguishes escalation pipelines
+    if "pipelines" in existing_tables:
+        pipeline_cols2 = {r[1] for r in conn.execute("PRAGMA table_info(pipelines)").fetchall()}
+        if "pipeline_type" not in pipeline_cols2:
+            conn.execute("ALTER TABLE pipelines ADD COLUMN pipeline_type TEXT DEFAULT 'standard'")
+            conn.commit()
+
+    # KIN-135: Create task_returns table — return history per task
+    existing_tables2 = {r[0] for r in conn.execute(
+        "SELECT name FROM sqlite_master WHERE type='table'"
+    ).fetchall()}
+    if "task_returns" not in existing_tables2:
+        conn.executescript("""
+            CREATE TABLE IF NOT EXISTS task_returns (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                task_id TEXT NOT NULL REFERENCES tasks(id) ON DELETE CASCADE,
+                return_number INTEGER NOT NULL,
+                reason_category TEXT NOT NULL,
+                reason_text TEXT,
+                returned_by TEXT DEFAULT 'system',
+                pipeline_id INTEGER REFERENCES pipelines(id),
+                returned_at TEXT NOT NULL DEFAULT (datetime('now'))
+            );
+            CREATE INDEX IF NOT EXISTS idx_task_returns_task_id ON task_returns(task_id);
+        """)
+        conn.commit()
+
 
 def _seed_default_hooks(conn: sqlite3.Connection):
     """Seed default hooks for the kin project (idempotent).