refactor: unify session creation form into CreateSessionForm component

apps/web/src/pages/dashboard.tsx

@@ -2,13 +2,14 @@ import { useCallback, useEffect, useMemo, useState } from "react";
 import { useNavigate } from "react-router-dom";
 
 import { getDashboardSummary, type DashboardSummary } from "../api/dashboard";
-import { createInstance, getUserSessions, startInstance, stopInstance, deleteInstance, recreateInstanceTunnel, checkInstanceHealth, type Session as SessionApi, type InstanceHealth } from "../api/sessions";
+import { getUserSessions, startInstance, stopInstance, deleteInstance, recreateInstanceTunnel, checkInstanceHealth, type Session as SessionApi, type InstanceHealth } from "../api/sessions";
 import { listProjects } from "../api/projects";
 import { listRepositories, type GitRepository } from "../api/git_repositories";
 import { listToolTypes, type ToolType } from "../api/tool_types";
 import { updateUserConfig } from "../api/settings";
 import type { Project } from "../types";
 import { Icon } from "../components/icon";
+import { CreateSessionForm } from "../components/create-session-form";
 
 type HomeStatus = "loading" | "ready" | "error";
 
@@ -29,10 +30,6 @@ export const HomePage = () => {
   const [repositories, setRepositories] = useState<GitRepository[]>([]);
   const [toolTypes, setToolTypes] = useState<ToolType[]>([]);
   const [selectedProject, setSelectedProject] = useState("");
-  const [selectedRepo, setSelectedRepo] = useState("");
-  const [selectedToolType, setSelectedToolType] = useState("");
-  const [displayName, setDisplayName] = useState("");
-  const [saveState, setSaveState] = useState<"idle" | "saving" | "error">("idle");
   const [actionBusy, setActionBusy] = useState<string | null>(null);
   const [stopConfirmId, setStopConfirmId] = useState<string | null>(null);
   const [deleteConfirmId, setDeleteConfirmId] = useState<string | null>(null);
@@ -133,24 +130,10 @@ export const HomePage = () => {
     [safeSessions]
   );
 
-  const handleCreate = async (event: React.FormEvent) => {
-    event.preventDefault();
-    if (!selectedProject || !selectedRepo || !selectedToolType) return;
-
-    setSaveState("saving");
-    try {
-      const instance = await createInstance(selectedProject, selectedRepo, selectedToolType, displayName || undefined);
-      await startInstance(selectedProject, selectedRepo, instance.id);
-      await updateUserConfig({ last_session_id: instance.id });
-      setDisplayName("");
-      setSelectedProject("");
-      setSelectedRepo("");
-      setSelectedToolType("");
-      setSaveState("idle");
-      await loadHome();
-    } catch {
-      setSaveState("error");
-    }
+  const handleCreateSuccess = async (instance: { id: string }) => {
+    await updateUserConfig({ last_session_id: instance.id });
+    setSelectedProject("");
+    await loadHome();
   };
 
   const handleOpen = (session: SessionView) => {
@@ -358,41 +341,13 @@ export const HomePage = () => {
                 <h2>Start a session</h2>
               </div>
             </div>
-            <form className="stack create-session-form" onSubmit={handleCreate}>
-              <div className="form-row">
-                <label className="form-field">
-                  Project
-                  <select value={selectedProject} onChange={(event) => { setSelectedProject(event.target.value); setSelectedRepo(""); }}>
-                    <option value="">Select project...</option>
-                    {projects.map((project) => <option key={project.id} value={project.id}>{project.name}</option>)}
-                  </select>
-                </label>
-                <label className="form-field">
-                  Repository
-                  <select value={selectedRepo} onChange={(event) => setSelectedRepo(event.target.value)} disabled={!selectedProject}>
-                    <option value="">Select repository...</option>
-                    {repositories.map((repo) => <option key={repo.id} value={repo.id}>{repo.name}</option>)}
-                  </select>
-                </label>
-                <label className="form-field">
-                  Tool type
-                  <select value={selectedToolType} onChange={(event) => setSelectedToolType(event.target.value)}>
-                    <option value="">Select tool...</option>
-                  {toolTypes.map((tool) => <option key={tool.id} value={tool.id}>{tool.display_name}</option>)}
-                </select>
-              </label>
-              </div>
-              <label className="form-field">
-                Display name
-                <input type="text" value={displayName} onChange={(event) => setDisplayName(event.target.value)} placeholder="My Development Environment" />
-              </label>
-              <div className="form-actions">
-                <button className="primary-button" type="submit" disabled={saveState === "saving"}>
-                  {saveState === "saving" ? <><Icon name="loading" size="sm" /> Creating...</> : <><Icon name="add" size="sm" /> Create Session</>}
-                </button>
-                {saveState === "error" && <span className="error-text">Failed to create session</span>}
-              </div>
-            </form>
+            <CreateSessionForm
+              projects={projects}
+              repositories={repositories}
+              toolTypes={toolTypes}
+              onProjectChange={(projectId) => setSelectedProject(projectId)}
+              onSuccess={handleCreateSuccess}
+            />
           </section>
 
           {recentSessions.length > 0 && (