feat(acp): sqlc queries (agent_kinds + sessions + events) + generated code

internal/acp/queries/agent_kinds.sql

@@ -0,0 +1,50 @@
+-- name: CreateAgentKind :one
+INSERT INTO acp_agent_kinds (
+  id, name, display_name, description, binary_path, args, encrypted_env, enabled, created_by
+) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+RETURNING id, name, display_name, description, binary_path, args, encrypted_env,
+          enabled, created_by, created_at, updated_at;
+
+-- name: GetAgentKindByID :one
+SELECT id, name, display_name, description, binary_path, args, encrypted_env,
+       enabled, created_by, created_at, updated_at
+FROM acp_agent_kinds
+WHERE id = $1;
+
+-- name: GetAgentKindByName :one
+SELECT id, name, display_name, description, binary_path, args, encrypted_env,
+       enabled, created_by, created_at, updated_at
+FROM acp_agent_kinds
+WHERE name = $1;
+
+-- name: ListAgentKinds :many
+SELECT id, name, display_name, description, binary_path, args, encrypted_env,
+       enabled, created_by, created_at, updated_at
+FROM acp_agent_kinds
+ORDER BY created_at DESC;
+
+-- name: ListEnabledAgentKinds :many
+SELECT id, name, display_name, description, binary_path, args, encrypted_env,
+       enabled, created_by, created_at, updated_at
+FROM acp_agent_kinds
+WHERE enabled = TRUE
+ORDER BY name ASC;
+
+-- name: UpdateAgentKind :one
+UPDATE acp_agent_kinds
+SET display_name  = $2,
+    description   = $3,
+    binary_path   = $4,
+    args          = $5,
+    encrypted_env = $6,
+    enabled       = $7,
+    updated_at    = now()
+WHERE id = $1
+RETURNING id, name, display_name, description, binary_path, args, encrypted_env,
+          enabled, created_by, created_at, updated_at;
+
+-- name: DeleteAgentKind :exec
+DELETE FROM acp_agent_kinds WHERE id = $1;
+
+-- name: CountAgentKindUsage :one
+SELECT COUNT(*) FROM acp_sessions WHERE agent_kind_id = $1;

internal/acp/queries/events.sql

@@ -0,0 +1,17 @@
+-- name: InsertEvent :one
+INSERT INTO acp_events (
+  session_id, direction, rpc_kind, method, payload, payload_size, truncated
+) VALUES ($1, $2, $3, $4, $5, $6, $7)
+RETURNING id, session_id, direction, rpc_kind, method, payload,
+          payload_size, truncated, created_at;
+
+-- name: ListEventsSince :many
+SELECT id, session_id, direction, rpc_kind, method, payload,
+       payload_size, truncated, created_at
+FROM acp_events
+WHERE session_id = $1 AND id > $2
+ORDER BY id ASC
+LIMIT $3;
+
+-- name: PurgeEventsBefore :execrows
+DELETE FROM acp_events WHERE created_at < $1;

internal/acp/queries/sessions.sql

@@ -0,0 +1,67 @@
+-- name: InsertSession :one
+INSERT INTO acp_sessions (
+  id, workspace_id, project_id, agent_kind_id, user_id,
+  issue_id, requirement_id, branch, cwd_path, is_main_worktree, status
+) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
+RETURNING id, workspace_id, project_id, agent_kind_id, user_id,
+          issue_id, requirement_id, agent_session_id,
+          branch, cwd_path, is_main_worktree, status,
+          pid, exit_code, last_error, started_at, ended_at;
+
+-- name: GetSessionByID :one
+SELECT id, workspace_id, project_id, agent_kind_id, user_id,
+       issue_id, requirement_id, agent_session_id,
+       branch, cwd_path, is_main_worktree, status,
+       pid, exit_code, last_error, started_at, ended_at
+FROM acp_sessions
+WHERE id = $1;
+
+-- name: ListSessionsByUser :many
+SELECT id, workspace_id, project_id, agent_kind_id, user_id,
+       issue_id, requirement_id, agent_session_id,
+       branch, cwd_path, is_main_worktree, status,
+       pid, exit_code, last_error, started_at, ended_at
+FROM acp_sessions
+WHERE user_id = $1
+ORDER BY started_at DESC;
+
+-- name: ListAllSessions :many
+SELECT id, workspace_id, project_id, agent_kind_id, user_id,
+       issue_id, requirement_id, agent_session_id,
+       branch, cwd_path, is_main_worktree, status,
+       pid, exit_code, last_error, started_at, ended_at
+FROM acp_sessions
+ORDER BY started_at DESC;
+
+-- name: UpdateSessionRunning :exec
+UPDATE acp_sessions
+SET status = 'running', agent_session_id = $2, pid = $3
+WHERE id = $1;
+
+-- name: UpdateSessionFinished :exec
+UPDATE acp_sessions
+SET status = $2, exit_code = $3, last_error = $4, ended_at = now()
+WHERE id = $1;
+
+-- name: CountActiveSessions :one
+SELECT COUNT(*) FROM acp_sessions WHERE status IN ('starting', 'running');
+
+-- name: CountActiveSessionsByUser :one
+SELECT COUNT(*) FROM acp_sessions
+WHERE user_id = $1 AND status IN ('starting', 'running');
+
+-- name: ResetStuckSessionsOnRestart :many
+UPDATE acp_sessions
+SET status = 'crashed',
+    last_error = 'process_aborted_on_restart',
+    ended_at = now()
+WHERE status IN ('starting', 'running')
+RETURNING id, workspace_id, user_id, branch, agent_kind_id, is_main_worktree;
+
+-- name: ReleaseMainWorktree :execrows
+UPDATE workspaces SET active_main_session_id = NULL
+WHERE id = $1 AND active_main_session_id = $2;
+
+-- name: AcquireMainWorktree :execrows
+UPDATE workspaces SET active_main_session_id = $1
+WHERE id = $2 AND active_main_session_id IS NULL;