refactor: remove stale SDK router shim wrappers (#298)

* refactor(#297): remove stale sdk router shim wrappers

* test: remove sdk-era refusal wording fixtures

get-shit-done/bin/lib/phase-command-router.cjs

@@ -9,12 +9,9 @@ const { createHub, ERROR_KINDS, makeInvalidArgs } = require('./command-routing-h
  * Manifest-backed phase subcommand router.
  * Keeps gsd-tools.cjs thin while preserving existing command semantics.
  *
- * #175: Hub is CJS-only. The SDK bridge is still separately invokable via
- * bin/lib/cjs-sdk-bridge.cjs, but the Hub no longer routes to it.
- *
- * SDK-only (unsupported in CJS router — error returned before dispatch):
- * - list-plans: SDK-only.
- * - list-artifacts: SDK-only.
+ * Unsupported in this router (error returned before dispatch):
+ * - list-plans.
+ * - list-artifacts.
  * - scaffold: routed through top-level scaffold command.
  *
  * CJS-only subcommands: mvp-mode (dispatched directly, before hub).
@@ -23,11 +20,11 @@ const { createHub, ERROR_KINDS, makeInvalidArgs } = require('./command-routing-h
  * and observable CLI behaviour are unchanged.
  */
 function routePhaseCommand({ phase, args, cwd, raw, error }) {
-  // ── Unsupported / SDK-only subcommands ─────────────────────────────────────
+  // ── Unsupported subcommands ────────────────────────────────────────────────
   // Resolved before dispatch so the error message matches the pre-#3788 text.
   const UNSUPPORTED = {
-    'list-plans': 'phase list-plans is SDK-only. Use: gsd-sdk query phase.list-plans ...',
-    'list-artifacts': 'phase list-artifacts is SDK-only. Use: gsd-sdk query phase.list-artifacts ...',
+    'list-plans': 'phase list-plans is not supported in this router.',
+    'list-artifacts': 'phase list-artifacts is not supported in this router.',
     scaffold: 'phase scaffold is routed through the top-level scaffold command.',
   };
 
@@ -149,7 +146,7 @@ function routePhaseCommand({ phase, args, cwd, raw, error }) {
 
   // ── Build manifest (available subcommands for UnknownCommand detection) ─────
   // `availableSubcommands` is what the error message shows. It excludes
-  // SDK-only unsupported commands (already handled above) but does NOT include
+  // unsupported commands (already handled above) but does NOT include
   // 'mvp-mode' because it was absent from PHASE_SUBCOMMANDS in the original
   // and was not shown in the "Available:" list there either.
   //

get-shit-done/bin/lib/phases-command-router.cjs

@@ -7,25 +7,14 @@ const { routeCjsCommandFamily } = require('./cjs-command-router-adapter.cjs');
  * Manifest-backed phases subcommand router.
  * Keeps gsd-tools.cjs thin while preserving current CJS semantics.
  *
- * Phase 6: phases.list and phases.clear are dispatched via executeForCjs when
- * the SDK is available. CJS fallback retained when:
- * - GSD_WORKSTREAM is active (workstream-scoped requests fall through to CJS).
- * - SDK is unavailable (build not present).
- *
- * SDK-only (not in CJS router, treated as unknown):
- * - archive: `phases archive` is SDK-only (`phases.archive` handler in SDK
- *   query registry). CJS `gsd-tools phases` intentionally supports list/clear only.
- *   `archive` is excluded from the subcommands list so it falls through to the
- *   "unknown subcommand" error path (matching pre-Phase 6 behavior).
- *
- * CJS-only subcommands: none.
+ * Unsupported in this router (treated as unknown):
+ * - archive: `phases archive` is excluded from the subcommands list so it
+ *   falls through to the unknown-subcommand error path.
  */
 function routePhasesCommand({ phase, milestone, args, cwd, raw, error }) {
   routeCjsCommandFamily({
     args,
-    // Exclude 'archive' — it's SDK-only and not supported in CJS. Excluding
-    // from this list causes it to hit the unknownMessage path, preserving the
-    // pre-Phase 6 error message for callers that pass 'archive'.
+    // Exclude 'archive' so it hits the unknownMessage path.
     subcommands: PHASES_SUBCOMMANDS.filter((s) => s !== 'archive'),
     error,
     unknownMessage: (_subcommand, available) => `Unknown phases subcommand. Available: ${available.join(', ')}`,

get-shit-done/bin/lib/roadmap-command-router.cjs

@@ -6,14 +6,6 @@ const { routeCjsCommandFamily } = require('./cjs-command-router-adapter.cjs');
 /**
  * Manifest-backed roadmap subcommand router.
  * Keeps gsd-tools.cjs thin while preserving existing command semantics.
- *
- * Phase 6: all roadmap.* subcommands have SDK equivalents and are dispatched
- * via executeForCjs (the sync bridge). CJS fallback retained when:
- * - GSD_WORKSTREAM is active (workstream-scoped requests fall through to CJS).
- * - SDK is unavailable (build not present).
- *
- * CJS-only subcommands: none.
- * SDK-only (unsupported in CJS router): none.
  */
 function routeRoadmapCommand({ roadmap, args, cwd, raw, error }) {
   routeCjsCommandFamily({

get-shit-done/bin/lib/verify-command-router.cjs

@@ -6,14 +6,6 @@ const { routeCjsCommandFamily } = require('./cjs-command-router-adapter.cjs');
 /**
  * Manifest-backed verify subcommand router.
  * Keeps gsd-tools.cjs thin while preserving existing command semantics.
- *
- * Phase 6: all verify.* subcommands have SDK equivalents and are dispatched
- * via executeForCjs (the sync bridge). CJS fallback retained when:
- * - GSD_WORKSTREAM is active (workstream-scoped requests fall through to CJS).
- * - SDK is unavailable (build not present).
- *
- * CJS-only subcommands: none.
- * SDK-only (unsupported in CJS router): none.
  */
 function routeVerifyCommand({ verify, args, cwd, raw, error }) {
   routeCjsCommandFamily({
@@ -37,9 +29,7 @@ function routeVerifyCommand({ verify, args, cwd, raw, error }) {
       },
       // verify codebase-drift dispatches direct to CJS — drift is out-of-seam
       // per ADR/PRD 3524 §3 / L160 (CJS-only by design). Routing through
-      // sdkHandler would re-enter the SDK bridge, and Phase 6's removed
-      // verifyCodebaseDrift stub used to execFileSync back to the CLI,
-      // creating an infinite spawn loop.
+      // recursive dispatch would re-enter this router path.
       'codebase-drift': () => verify.cmdVerifyCodebaseDrift(cwd, raw),
     },
   });