Function handle_delete_project

src/mcp/mcp.c:4519–4597

delete_project: just erase the .db file (and WAL/SHM). */

/* delete_project: just erase the .db file (and WAL/SHM). */
static char *handle_delete_project(cbm_mcp_server_t *srv, const char *args) {
    char *name = get_project_arg(args);
    if (!name) {
        return cbm_mcp_text_result("project is required", true);
    }
    if (!mcp_project_mutation_begin(srv, name)) {
        free(name);
        return cbm_mcp_text_result("project operation cancelled or blocked by an active index",
                                   true);
    }

    /* Close store if it's the project being deleted */
    if (srv->current_project && strcmp(srv->current_project, name) == 0) {
        if (srv->owns_store && srv->store) {
            cbm_store_close(srv->store);
            srv->store = NULL;
        }
        free(srv->current_project);
        srv->current_project = NULL;
    }

    /* Wait for any in-progress pipeline to finish before deleting */
    cbm_pipeline_lock();

    /* Delete the .db file + WAL/SHM */
    char path[CBM_SZ_1K];
    project_db_path(name, path, sizeof(path));

    char wal[CBM_SZ_1K];
    char shm[CBM_SZ_1K];
    snprintf(wal, sizeof(wal), "%s-wal", path);
    snprintf(shm, sizeof(shm), "%s-shm", path);

    bool exists = (access(path, F_OK) == 0);
    const char *status = "not_found";
    const char *error_detail = NULL;
    bool is_error = false;

    if (exists) {
        int rc = cbm_unlink(path);
        (void)cbm_unlink(wal);
        (void)cbm_unlink(shm);
        if (rc == 0) {
            status = "deleted";
        } else {
            status = "delete_failed";
            error_detail = strerror(errno);
            is_error = true;
        }
    } else {
        is_error = true;
    }

    cbm_pipeline_unlock();

    if (srv->watcher) {
        cbm_watcher_unwatch(srv->watcher, name);
    }