feat(ai): patch Architect prompt with full Spec Kit PRD template rules

vibn-frontend/app/[workspace]/project/[projectId]/(home)/plan/page.tsx

@@ -109,91 +109,92 @@ export default function PlanPageV2() {
 // The business case / 1-page summary
 // ──────────────────────────────────────────────────
 function ObjectiveView({ plan, projectId, onChange }: { plan: Plan, projectId: string, onChange: (p: Plan) => void }) {
-  const [editing, setEditing] = useState(!plan.vision);
   const [draft, setDraft] = useState(plan.vision ?? "");
   const [saving, setSaving] = useState(false);
+  const [generating, setGenerating] = useState(false);
+  
+  useEffect(() => {
+    if (plan.vision !== draft) {
+      setDraft(plan.vision ?? "");
+    }
+  }, [plan.vision]);
 
-  const save = async () => {
+  const save = async (text: string) => {
     setSaving(true);
     try {
       const r = await fetch(`/api/projects/${projectId}/plan`, {
         method: "POST",
         headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({ kind: "vision", text: draft }),
+        body: JSON.stringify({ kind: "vision", text }),
       });
       const d = await r.json();
       if (d.plan) onChange(d.plan);
-      setEditing(false);
     } finally {
       setSaving(false);
     }
   };
 
+  const handleGenerate = async () => {
+    if (!draft.trim()) {
+      alert("Please write an objective first before generating the PRD.");
+      return;
+    }
+    if (!confirm("This will overwrite the PRD and Execution Plan based on this objective. Continue?")) return;
+    
+    setGenerating(true);
+    try {
+      await fetch(`/api/projects/${projectId}/plan`, {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ kind: "vision", text: draft }),
+      });
+
+      const r = await fetch(`/api/projects/${projectId}/plan/generate`, {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ objective: draft }),
+      });
+      const d = await r.json();
+      if (d.plan) onChange(d.plan);
+      alert("Blueprint generated successfully! Check the PRD and Delegate tabs.");
+    } finally {
+      setGenerating(false);
+    }
+  };
+
   return (
     <div className="panel-container">
-      <div style={{ display: "flex", justifyContent: "space-between", alignItems: "center", marginBottom: 16 }}>
+      <div style={{ display: "flex", justifyContent: "flex-end", marginBottom: 16 }}>
-        <div>
+        <div style={{ display: "flex", alignItems: "center", gap: 12 }}>
-          
+          {saving && <span style={{ fontSize: "0.75rem", color: INK.faint }}>Saving...</span>}
-        </div>
-        <div style={{ display: "flex", gap: 12 }}>
           <button 
-            onClick={async () => {
+            onClick={handleGenerate} 
-              if (!confirm("This will overwrite the PRD and Execution Plan based on the current objective. Continue?")) return;
+            disabled={generating || !draft.trim()} 
-              setSaving(true);
-              try {
-                const r = await fetch(`/api/projects/${projectId}/plan/generate`, {
-                  method: "POST",
-                  headers: { "Content-Type": "application/json" },
-                  body: JSON.stringify({ objective: draft }),
-                });
-                const d = await r.json();
-                if (d.plan) onChange(d.plan);
-              } finally {
-                setSaving(false);
-                setEditing(false);
-              }
-            }} 
-            disabled={saving || !draft.trim()} 
             className="btn-primary"
-            style={{ fontWeight: 600, fontSize: "0.85rem", padding: "6px 16px", borderRadius: 6 }}
+            style={{ padding: "8px 16px", borderRadius: 8, fontWeight: 600 }}
           >
-            {saving ? <><Loader2 size={12} className="animate-spin" /> Generating...</> : "Generate Complete PRD"}
+            {generating ? (
+              <><Loader2 size={14} className="animate-spin" /> Generating Blueprint...</>
+            ) : (
+              "Generate Complete PRD"
+            )}
           </button>
-          {!editing && (
-            <button onClick={() => setEditing(true)} className="btn-ghost">
-              <Pencil size={12} /> Edit
-            </button>
-          )}
         </div>
       </div>
 
-      {editing ? (
+      <div style={{ border: `1px solid ${INK.border}`, borderRadius: 8, overflow: "hidden", background: "#fff", boxShadow: "0 1px 3px rgba(0,0,0,0.02)" }}>
-        <div style={{ border: `1px solid ${INK.border}`, borderRadius: 8, overflow: "hidden" }}>
+        <textarea
-          <textarea
+          value={draft}
-            value={draft}
+          onChange={(e) => setDraft(e.target.value)}
-            onChange={(e) => setDraft(e.target.value)}
+          onBlur={() => save(draft)}
-            style={{
+          style={{
-              width: "100%", minHeight: 400, padding: 20, fontSize: "0.95rem", lineHeight: 1.6,
+            width: "100%", minHeight: 400, padding: 24, fontSize: "0.95rem", lineHeight: 1.6,
-              border: "none", outline: "none", resize: "vertical", fontFamily: "var(--font-sans)",
+            border: "none", outline: "none", resize: "vertical", fontFamily: "var(--font-sans)",
-            }}
+            color: INK.main
-            placeholder="Describe the business objective..."
+          }}
-          />
+          placeholder="Describe the business objective..."
-          <div style={{ display: "flex", justifyContent: "flex-end", gap: 8, padding: "12px 20px", background: INK.bgHover, borderTop: `1px solid ${INK.border}` }}>
+        />
-            <button onClick={() => setEditing(false)} className="btn-ghost">Cancel</button>
+      </div>
-            <button onClick={save} disabled={saving} className="btn-primary">
-              {saving ? "Saving..." : "Save Objective"}
-            </button>
-          </div>
-        </div>
-      ) : (
-        <div className="markdown-prose" style={{ background: "#fff", border: `1px solid ${INK.border}`, padding: 32, borderRadius: 8, minHeight: 200 }}>
-          {plan.vision ? (
-            <ReactMarkdown>{plan.vision}</ReactMarkdown>
-          ) : (
-            <div style={{ color: INK.faint, fontStyle: "italic" }}>No objective defined yet. Switch to Architect mode and brainstorm with the AI.</div>
-          )}
-        </div>
-      )}
     </div>
   );
 }