feat(P05): ship infrastructure — Gitea API client, release notes, npm publishConfig, ciagent projects cmd, --project flag

---ci---
phase: 5
milestone: v1.0
plan: 05
task: SHIP-01-04 MULTI-01 MULTI-02
status: execute
---/ci---

src/cli/commands.ts

@@ -15,6 +15,8 @@ import { PipelineState, createInitialPipelineState } from "../types/pipeline.js"
 import { resolveBackend } from "../backends/index.js";
 import { BackendUnavailableError } from "../backends/types.js";
 import { getAgent } from "../agents/index.js";
+import { CIAgentFiles } from "../core/ciagent-files.js";
+import { GiteaClient, generateReleaseNotes } from "../core/gitea.js";
 import * as fs from "node:fs";
 import * as path from "node:path";
 import { execSync } from "node:child_process";
@@ -642,6 +644,83 @@ export function createRollbackCommand(): Command {
     });
 }
 
+export function createProjectsCommand(): Command {
+  const cmd = new Command("projects");
+  cmd.description("Manage CIAgent projects in multi-project mode");
+
+  cmd.command("list")
+    .description("List all registered projects")
+    .action(() => {
+      const projectPath = process.cwd();
+
+      if (!isCIAgentInitialized(projectPath)) {
+        console.error("CIAgent project not initialized. Run 'ciagent init' first.");
+        process.exit(1);
+      }
+
+      const config = loadConfig(projectPath);
+      const ciFiles = new CIAgentFiles(projectPath);
+      const projects = ciFiles.listProjects();
+      const activeProject = config.active_project || ciFiles.getActiveProject();
+
+      if (projects.length === 0) {
+        console.log("No projects registered.");
+        console.log("Use 'ciagent projects add <slug> <name>' to add a project.");
+        return;
+      }
+
+      console.log("─── CIAgent Projects ───\n");
+      for (const project of projects) {
+        const isActive = project.slug === activeProject;
+        const marker = isActive ? " *" : "";
+        console.log(`  ${project.slug} — ${project.name}${marker}`);
+      }
+      console.log("\n  * = active project");
+    });
+
+  cmd.command("add <slug> <name>")
+    .description("Add a new project")
+    .action((slug: string, name: string) => {
+      const projectPath = process.cwd();
+
+      if (!isCIAgentInitialized(projectPath)) {
+        console.error("CIAgent project not initialized. Run 'ciagent init' first.");
+        process.exit(1);
+      }
+
+      const ciFiles = new CIAgentFiles(projectPath);
+      ciFiles.addProject(slug, name);
+      console.log(`✓ Project added: ${slug} (${name})`);
+    });
+
+  cmd.command("set <slug>")
+    .description("Set the active project")
+    .action((slug: string) => {
+      const projectPath = process.cwd();
+
+      if (!isCIAgentInitialized(projectPath)) {
+        console.error("CIAgent project not initialized. Run 'ciagent init' first.");
+        process.exit(1);
+      }
+
+      const ciFiles = new CIAgentFiles(projectPath);
+      const projects = ciFiles.listProjects();
+
+      if (!projects.some((p) => p.slug === slug)) {
+        console.error(`Project "${slug}" not found. Registered projects: ${projects.map((p) => p.slug).join(", ")}`);
+        process.exit(1);
+      }
+
+      ciFiles.setActiveProject(slug);
+      const config = loadConfig(projectPath);
+      config.active_project = slug;
+      saveConfig(projectPath, config);
+      console.log(`✓ Active project set to: ${slug}`);
+    });
+
+  return cmd;
+}
+
 export function createShipCommand(): Command {
   return new Command("ship")
     .description("Auto-complete phase: verify, security, commit, tag")
@@ -713,6 +792,35 @@ export function createShipCommand(): Command {
             });
             console.log(`  ✓ Tagged: ${version.tag}`);
 
+            if (config.gitea && config.gitea.owner && config.gitea.repo) {
+              const apiToken = process.env[config.gitea.api_token_env];
+              if (apiToken) {
+                try {
+                  const previousTag = getPreviousTag(projectPath, version.tag);
+                  const releaseNotes = generateReleaseNotes(projectPath, previousTag, version.tag);
+
+                  const giteaClient = new GiteaClient({
+                    baseUrl: config.gitea.base_url,
+                    token: apiToken,
+                    owner: config.gitea.owner,
+                    repo: config.gitea.repo,
+                  });
+
+                  const release = await giteaClient.createRelease({
+                    tag_name: version.tag,
+                    name: version.tag,
+                    body: releaseNotes,
+                    draft: false,
+                    prerelease: false,
+                  });
+
+                  console.log(`  ✓ Release created: ${release.html_url}`);
+                } catch (giteaErr) {
+                  console.warn(`  ⚠ Gitea release failed: ${giteaErr instanceof Error ? giteaErr.message : String(giteaErr)}`);
+                }
+              }
+            }
+
             if (config.git.auto_push) {
               execSync(`git push origin ${version.tag}`, { cwd: projectPath, stdio: "pipe" });
               console.log(`  ✓ Pushed tag: ${version.tag}`);
@@ -819,4 +927,20 @@ function resolveMergeTarget(projectPath: string, milestoneType: string): string
   } catch {}
 
   return "main";
+}
+
+function getPreviousTag(projectPath: string, currentTag: string): string | null {
+  try {
+    const tags = execSync("git tag -l --sort=-v:refname", { cwd: projectPath, encoding: "utf-8" })
+      .split("\n")
+      .map((t) => t.trim())
+      .filter(Boolean);
+
+    const currentIdx = tags.indexOf(currentTag);
+    if (currentIdx >= 0 && currentIdx + 1 < tags.length) {
+      return tags[currentIdx + 1];
+    }
+  } catch {}
+
+  return null;
 }