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path: root/src/main/ipc/handlers.ts
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import { ipcMain, dialog, type BrowserWindow } from "electron";
import * as projects from "../db/projects";
import * as sessions from "../db/sessions";
import * as claude from "../claude";
import { createSessionBranch, ensureGitIgnore } from "../git";
import type { UserPermissionMode } from "../claude/phases";

export function registerIpcHandlers(mainWindow: BrowserWindow): void {
  // Projects
  ipcMain.handle("projects:list", () => projects.listProjects());
  ipcMain.handle("projects:create", (_, name: string, path: string) =>
    projects.createProject(name, path)
  );
  ipcMain.handle("projects:delete", (_, id: string) =>
    projects.deleteProject(id)
  );

  // Sessions
  ipcMain.handle("sessions:list", (_, projectId: string) =>
    sessions.listSessions(projectId)
  );

  ipcMain.handle("sessions:create", (_, projectId: string, name: string) => {
    const project = projects.getProject(projectId);
    if (!project) throw new Error("Project not found");

    const session = sessions.createSession(projectId, name);

    // Ensure .claude-flow/ is gitignored from day one.
    // Branch creation is deferred until the session advances to implement.
    try { ensureGitIgnore(project.path); } catch { /* non-fatal */ }

    return session;
  });
  
  ipcMain.handle("sessions:delete", (_, id: string) => {
    const session = sessions.getSession(id);
    if (session) {
      // Clean up session artifacts from global storage
      claude.clearSessionArtifacts(session.project_id, id);
    }
    sessions.deleteSession(id);
  });

  ipcMain.handle("sessions:rename", (_, id: string, name: string) => {
    sessions.updateSession(id, { name });
  });

  ipcMain.handle("sessions:get", (_, id: string) => sessions.getSession(id));

  // Messages
  ipcMain.handle("messages:list", (_, sessionId: string) =>
    sessions.listMessages(sessionId)
  );

  // Chat
  ipcMain.handle(
    "chat:send",
    async (_, sessionId: string, message: string) => {
      const session = sessions.getSession(sessionId);
      if (!session) throw new Error("Session not found");

      // Store user message
      sessions.addMessage(sessionId, "user", message);

      await claude.sendMessage({
        session,
        message,
        onMessage: (msg) => {
          // Forward all messages to renderer
          mainWindow.webContents.send("claude:message", sessionId, msg);

          // Store assistant text messages
          if (msg.type === "assistant") {
            const content = (msg.message.content as Array<{ type: string; text?: string }>)
              .filter((c) => c.type === "text" && c.text)
              .map((c) => c.text!)
              .join("\n");
            if (content) {
              sessions.addMessage(sessionId, "assistant", content);
            }
          }
        },
      });
    }
  );

  ipcMain.handle("chat:interrupt", (_, sessionId: string) => {
    claude.interruptSession(sessionId);
  });

  // Workflow
  ipcMain.handle("workflow:review", async (_, sessionId: string) => {
    const session = sessions.getSession(sessionId);
    if (!session) throw new Error("Session not found");

    await claude.triggerReview(session, (msg) => {
      mainWindow.webContents.send("claude:message", sessionId, msg);
    });
  });

  ipcMain.handle("workflow:advance", (_, sessionId: string) => {
    const session = sessions.getSession(sessionId);
    if (!session) throw new Error("Session not found");

    const nextPhase = claude.advancePhase(session);
    if (!nextPhase) return null;

    let git_branch = session.git_branch;

    if (nextPhase === "implement") {
      const project = projects.getProject(session.project_id);
      if (project) {
        const branchName = createSessionBranch(project.path, session.name, session.id);
        if (branchName) {
          sessions.updateSession(sessionId, { git_branch: branchName });
          git_branch = branchName;
        }
      }
    }

    return { phase: nextPhase, git_branch };
  });

  ipcMain.handle(
    "workflow:setPermissionMode",
    (_, sessionId: string, mode: string) => {
      sessions.updateSession(sessionId, {
        permission_mode: mode as UserPermissionMode,
      });
    }
  );

  // Session Artifacts (stored in ~/.claude-flow/)
  ipcMain.handle(
    "artifact:readSession",
    (_, projectId: string, sessionId: string, filename: string) => {
      return claude.readSessionArtifact(projectId, sessionId, filename);
    }
  );

  ipcMain.handle(
    "artifact:writeSession",
    (_, projectId: string, sessionId: string, filename: string, content: string) => {
      claude.writeSessionArtifact(projectId, sessionId, filename, content);
    }
  );

  // CLAUDE.md (stored in project)
  ipcMain.handle("claudemd:read", (_, projectPath: string) => {
    return claude.readClaudeMd(projectPath);
  });

  ipcMain.handle("claudemd:write", (_, projectPath: string, content: string) => {
    claude.writeClaudeMd(projectPath, content);
  });

  // Dialogs
  ipcMain.handle("dialog:selectDirectory", async () => {
    const result = await dialog.showOpenDialog(mainWindow, {
      properties: ["openDirectory"],
    });
    return result.canceled ? null : result.filePaths[0];
  });
}