docs: Add core principle - development only, no deployment

- DSS runs only in dev mode, no production deployment
- dss.overbits.luz.uy points to dev server
- Removed build step from setup (not needed)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.knowledge/DSS_CORE.json

@@ -22,6 +22,17 @@
     "philosophy": "DSS structure is sacred - external systems adapt TO DSS, not reverse"
   },
 
+  "core_principles": {
+    "no_deployment": {
+      "rule": "DSS runs ONLY in development mode - there is no production deployment",
+      "environment": "Single development instance serves all purposes",
+      "url": "dss.overbits.luz.uy points to dev server, NOT a production build",
+      "implication": "Always use 'npm run dev', never deploy dist/ to production"
+    },
+    "single_source_of_truth": "All design tokens flow through DSS canonical structure",
+    "figma_authority": "Figma is the source of truth for design decisions"
+  },
+
   "canonical_structure": {
     "tokens": ["colors", "spacing", "typography", "borders", "shadows", "motion"],
     "components": "59 shadcn/ui components - see .dss/components/shadcn-registry.json",