feat(workspace): migration 0003 + errs codes for workspace/worktree/git

internal/infra/errs/errs.go

@@ -32,6 +32,18 @@ const (
 	CodeProjectSlugTaken  Code = "project_slug_taken"
 	CodeProjectArchived   Code = "project_archived"
 	CodeRequirementClosed Code = "requirement_closed"
+
+	// Workspace 模块细粒度 code
+	CodeWorkspaceSlugTaken      Code = "workspace_slug_taken"
+	CodeWorkspaceCloneFailed    Code = "workspace_clone_failed"
+	CodeWorkspaceSyncInProgress Code = "workspace_sync_in_progress"
+	CodeWorkspaceRemoteInvalid  Code = "workspace_remote_invalid"
+	CodeWorktreeBranchConflict  Code = "worktree_branch_conflict"
+	CodeWorktreeAlreadyActive   Code = "worktree_already_active"
+	CodeWorktreeNotHeldByCaller Code = "worktree_not_held_by_caller"
+	CodeWorktreePathInvalid     Code = "worktree_path_invalid"
+	CodeGitCredentialInvalid    Code = "git_credential_invalid"
+	CodeGitCmdFailed            Code = "git_cmd_failed"
 )
 
 // AppError is the application's structured error type. It carries a stable
@@ -103,7 +115,9 @@ func HTTPStatus(code Code) int {
 	case CodeNotFound:
 		return http.StatusNotFound
 	case CodeConflict,
-		CodeProjectSlugTaken, CodeProjectArchived, CodeRequirementClosed:
+		CodeProjectSlugTaken, CodeProjectArchived, CodeRequirementClosed,
+		CodeWorkspaceSlugTaken, CodeWorkspaceSyncInProgress,
+		CodeWorktreeBranchConflict, CodeWorktreeAlreadyActive:
 		return http.StatusConflict
 	case CodeRateLimited:
 		return http.StatusTooManyRequests
@@ -111,6 +125,12 @@ func HTTPStatus(code Code) int {
 		return http.StatusBadGateway
 	case CodeUnavailable:
 		return http.StatusServiceUnavailable
+	case CodeWorkspaceCloneFailed, CodeGitCmdFailed:
+		return http.StatusBadGateway
+	case CodeWorkspaceRemoteInvalid, CodeWorktreePathInvalid, CodeGitCredentialInvalid:
+		return http.StatusBadRequest
+	case CodeWorktreeNotHeldByCaller:
+		return http.StatusForbidden
 	default:
 		return http.StatusInternalServerError
 	}