feat(wizard): per-phase preview — graph in Analyze, form in Generate (#8)

src/index.css

@@ -2260,3 +2260,71 @@ select.studio-input { background: var(--bp-paper); }
 }
 .global-banner-warn { background: #fff6e0; color: #5a3a00; border-color: #b08a4a; }
 [data-theme="dark"] .global-banner-warn { background: #3a2a0a; color: #ffd690; border-color: #6b4a14; }
+
+/* Wizard per-phase preview: graph + form */
+.wizard-preview-graph {
+  display: flex;
+  flex-direction: column;
+  gap: 0;
+}
+.wizard-graph-node {
+  display: flex;
+  flex-direction: column;
+  align-items: stretch;
+  position: relative;
+  padding-bottom: 4px;
+}
+.wizard-graph-bubble {
+  display: grid;
+  grid-template-columns: 22px 1fr;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 10px;
+  border: 1px solid color-mix(in srgb, var(--bp-navy) 25%, transparent);
+  background: var(--bp-paper);
+  font-size: 12px;
+}
+.wizard-graph-bubble.kind-agent { background: color-mix(in srgb, var(--bp-amber) 18%, var(--bp-paper)); border-color: color-mix(in srgb, var(--bp-amber) 60%, var(--bp-navy)); }
+.wizard-graph-bubble.kind-system { background: color-mix(in srgb, var(--bp-navy) 10%, var(--bp-paper)); }
+.wizard-graph-idx { font-family: var(--bp-mono); font-size: 10px; color: var(--bp-muted); text-align: right; }
+.wizard-graph-name { color: var(--bp-navy); font-weight: 600; line-height: 1.3; }
+.wizard-graph-meta {
+  font-family: var(--bp-mono);
+  font-size: 9.5px;
+  text-transform: uppercase;
+  letter-spacing: 0.08em;
+  color: var(--bp-muted);
+  padding: 2px 0 0 30px;
+}
+.wizard-graph-edge {
+  width: 1px;
+  height: 12px;
+  background: color-mix(in srgb, var(--bp-navy) 35%, transparent);
+  margin: 4px 0 4px 10px;
+}
+
+.wizard-form-preview {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  padding: 10px;
+  border: 1px dashed color-mix(in srgb, var(--bp-navy) 25%, transparent);
+  background: color-mix(in srgb, var(--bp-paper) 70%, var(--bp-canvas));
+}
+.wizard-form-field { display: flex; flex-direction: column; gap: 3px; }
+.wizard-form-label {
+  font-family: var(--bp-mono);
+  font-size: 10px;
+  letter-spacing: 0.06em;
+  text-transform: uppercase;
+  color: var(--bp-muted);
+}
+.wizard-form-input {
+  padding: 6px 8px;
+  font-size: 12px;
+  border: 1px solid color-mix(in srgb, var(--bp-navy) 25%, transparent);
+  background: var(--bp-paper);
+  color: var(--bp-navy);
+  font-family: inherit;
+}
+.wizard-form-input:disabled { opacity: 0.7; }

src/scenes/Wizard.tsx

@@ -263,59 +263,75 @@ export default function Wizard() {
     </div>
   );
 
+  const renderGraphPreview = () => (
+    <div className="wizard-preview-section">
+      <div className="wizard-preview-label">Flow · {draft.nodes.length} step{draft.nodes.length === 1 ? "" : "s"}</div>
+      <div className="wizard-preview-graph">
+        {draft.nodes.map((n, i) => (
+          <div key={n._key || i} className="wizard-graph-node">
+            <div className={`wizard-graph-bubble kind-${n.dispatch_kind || "human"}`}>
+              <span className="wizard-graph-idx">{i + 1}</span>
+              <span className="wizard-graph-name">{n.display_name || "Untitled"}</span>
+            </div>
+            <div className="wizard-graph-meta">
+              {({ human: "Manual", agent: "Assistant", system: "System" } as Record<string, string>)[n.dispatch_kind || "human"]}
+            </div>
+            {i < draft.nodes.length - 1 && <div className="wizard-graph-edge" aria-hidden />}
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+
+  const renderFormPreview = () => (
+    <div className="wizard-preview-section">
+      <div className="wizard-preview-label">Form preview · what users will fill in</div>
+      <div className="wizard-form-preview">
+        {draft.fields.filter((f) => f.name).length === 0 ? (
+          <div className="wizard-preview-empty">Add fields on the left to see the form here.</div>
+        ) : (
+          draft.fields.filter((f) => f.name).map((f, i) => (
+            <div key={i} className="wizard-form-field">
+              <label className="wizard-form-label">{f.name}</label>
+              {f.type === "boolean" ? (
+                <select className="wizard-form-input" disabled defaultValue=""><option value="">Yes / No</option></select>
+              ) : f.type === "number" ? (
+                <input className="wizard-form-input" type="number" placeholder="0" disabled />
+              ) : (
+                <input className="wizard-form-input" type="text" placeholder={`Enter ${f.name.toLowerCase()}`} disabled />
+              )}
+            </div>
+          ))
+        )}
+      </div>
+    </div>
+  );
+
+  const renderRulesPreview = () => (
+    <div className="wizard-preview-section">
+      <div className="wizard-preview-label">Rules · {draft.rules.filter((r) => r.trim()).length}</div>
+      <ul className="wizard-preview-rules">
+        {draft.rules.filter((r) => r.trim()).map((r, i) => <li key={i}>{r}</li>)}
+        {draft.rules.filter((r) => r.trim()).length === 0 && (
+          <li className="wizard-preview-empty">No rules typed yet</li>
+        )}
+      </ul>
+    </div>
+  );
+
   const renderPreviewPane = () => {
     if (draft.nodes.length === 0 && draft.fields.length === 0 && draft.rules.length === 0) return null;
     return (
       <aside className="wizard-preview">
         <div className="wizard-preview-head">
-          <span className="mc-hero-eyebrow">Preview</span>
+          <span className="mc-hero-eyebrow">Live preview</span>
           <div className="wizard-preview-title">{draft.name || "Untitled process"}</div>
           {draft.description && <div className="wizard-preview-desc">{draft.description.slice(0, 140)}</div>}
         </div>
 
-        {draft.nodes.length > 0 && (
+        {(draft.step === "Analyze" || draft.step === "Generate" || draft.step === "Validate" || draft.step === "Draft saved") && draft.nodes.length > 0 && renderGraphPreview()}
-          <div className="wizard-preview-section">
+        {(draft.step === "Generate" || draft.step === "Validate" || draft.step === "Draft saved") && renderFormPreview()}
-            <div className="wizard-preview-label">Steps · {draft.nodes.length}</div>
+        {(draft.step === "Validate" || draft.step === "Draft saved") && renderRulesPreview()}
-            <ol className="wizard-preview-chain">
-              {draft.nodes.map((n, i) => (
-                <li key={n._key || i} className="wizard-preview-chain-item">
-                  <span className="wizard-preview-chain-idx">{i + 1}</span>
-                  <span className="wizard-preview-chain-name">{n.display_name || "Untitled step"}</span>
-                  <span className={`wizard-preview-chain-kind kind-${n.dispatch_kind || "human"}`}>{({ human: "Manual review", agent: "Assistant", system: "System" } as Record<string, string>)[n.dispatch_kind || "human"] || "Manual review"}</span>
-                </li>
-              ))}
-            </ol>
-          </div>
-        )}
-
-        {draft.fields.length > 0 && (
-          <div className="wizard-preview-section">
-            <div className="wizard-preview-label">Form · {draft.fields.length} field{draft.fields.length === 1 ? "" : "s"}</div>
-            <ul className="wizard-preview-fields">
-              {draft.fields.filter((f) => f.name).map((f, i) => (
-                <li key={i}>
-                  <span className="wizard-preview-field-name">{f.name}</span>
-                  <span className="wizard-preview-field-type">· {f.type}</span>
-                </li>
-              ))}
-              {draft.fields.filter((f) => f.name).length === 0 && (
-                <li className="wizard-preview-empty">No fields named yet</li>
-              )}
-            </ul>
-          </div>
-        )}
-
-        {draft.rules.length > 0 && (
-          <div className="wizard-preview-section">
-            <div className="wizard-preview-label">Rules · {draft.rules.length}</div>
-            <ul className="wizard-preview-rules">
-              {draft.rules.filter((r) => r.trim()).map((r, i) => <li key={i}>{r}</li>)}
-              {draft.rules.filter((r) => r.trim()).length === 0 && (
-                <li className="wizard-preview-empty">No rules typed yet</li>
-              )}
-            </ul>
-          </div>
-        )}
       </aside>
     );
   };