chore: add project config

.planning/config.json

@@ -0,0 +1,19 @@
+{
+  "mode": "yolo",
+  "depth": "quick",
+  "parallelization": true,
+  "commit_docs": true,
+  "model_profile": "balanced",
+  "search_gitignored": false,
+  "branching_strategy": "none",
+  "phase_branch_template": "gsd/phase-{phase}-{slug}",
+  "milestone_branch_template": "gsd/{milestone}-{slug}",
+  "workflow": {
+    "research": false,
+    "plan_check": true,
+    "verifier": true
+  },
+  "git": {
+    "branching_strategy": "none"
+  }
+}