Initial commit: Triple-C app, container, and CI

Tauri v2 desktop app (React/TypeScript + Rust) for managing
containerized Claude Code environments. Includes Gitea Actions
workflow for building and pushing the sandbox container image,
and a BUILDING.md guide for manual app builds on Linux and Windows.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/src/lib/constants.ts

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+export const APP_NAME = "Triple-C";
+export const IMAGE_NAME = "triple-c:latest";

app/src/lib/tauri-commands.ts

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+import { invoke } from "@tauri-apps/api/core";
+import type { Project, ContainerInfo, SiblingContainer } from "./types";
+
+// Docker
+export const checkDocker = () => invoke<boolean>("check_docker");
+export const checkImageExists = () => invoke<boolean>("check_image_exists");
+export const buildImage = () => invoke<void>("build_image");
+export const getContainerInfo = (projectId: string) =>
+  invoke<ContainerInfo | null>("get_container_info", { projectId });
+export const listSiblingContainers = () =>
+  invoke<SiblingContainer[]>("list_sibling_containers");
+
+// Projects
+export const listProjects = () => invoke<Project[]>("list_projects");
+export const addProject = (name: string, path: string) =>
+  invoke<Project>("add_project", { name, path });
+export const removeProject = (projectId: string) =>
+  invoke<void>("remove_project", { projectId });
+export const updateProject = (project: Project) =>
+  invoke<Project>("update_project", { project });
+export const startProjectContainer = (projectId: string) =>
+  invoke<Project>("start_project_container", { projectId });
+export const stopProjectContainer = (projectId: string) =>
+  invoke<void>("stop_project_container", { projectId });
+export const rebuildProjectContainer = (projectId: string) =>
+  invoke<Project>("rebuild_project_container", { projectId });
+
+// Settings
+export const setApiKey = (key: string) =>
+  invoke<void>("set_api_key", { key });
+export const hasApiKey = () => invoke<boolean>("has_api_key");
+export const deleteApiKey = () => invoke<void>("delete_api_key");
+
+// Terminal
+export const openTerminalSession = (projectId: string, sessionId: string) =>
+  invoke<void>("open_terminal_session", { projectId, sessionId });
+export const terminalInput = (sessionId: string, data: number[]) =>
+  invoke<void>("terminal_input", { sessionId, data });
+export const terminalResize = (sessionId: string, cols: number, rows: number) =>
+  invoke<void>("terminal_resize", { sessionId, cols, rows });
+export const closeTerminalSession = (sessionId: string) =>
+  invoke<void>("close_terminal_session", { sessionId });

app/src/lib/types.ts

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+export interface Project {
+  id: string;
+  name: string;
+  path: string;
+  container_id: string | null;
+  status: ProjectStatus;
+  auth_mode: AuthMode;
+  allow_docker_access: boolean;
+  ssh_key_path: string | null;
+  git_token: string | null;
+  git_user_name: string | null;
+  git_user_email: string | null;
+  created_at: string;
+  updated_at: string;
+}
+
+export type ProjectStatus =
+  | "stopped"
+  | "starting"
+  | "running"
+  | "stopping"
+  | "error";
+
+export type AuthMode = "login" | "api_key";
+
+export interface ContainerInfo {
+  container_id: string;
+  project_id: string;
+  status: string;
+  image: string;
+}
+
+export interface SiblingContainer {
+  id: string;
+  names: string[] | null;
+  image: string;
+  state: string;
+  status: string;
+}
+
+export interface TerminalSession {
+  id: string;
+  projectId: string;
+  projectName: string;
+}