refactor(web): extract range release resolution

scripts/check-architecture-guardrails.mjs

@@ -225,6 +225,25 @@ export const rules = [
     ],
     forbidden: [],
   },
+  {
+    file: "apps/web/src/hooks/timelineRangeRelease.ts",
+    maxLines: 80,
+    required: [
+      {
+        pattern: /\bexport function resolveRangeSelectionRelease\b/,
+        message: "timeline range release helpers must keep canvas release resolution centralized",
+      },
+      {
+        pattern: /\bexport function resolveRangeSelectionCancel\b/,
+        message: "timeline range release helpers must keep canvas leave cancellation centralized",
+      },
+      {
+        pattern: /from "\.\/timelineRangeSelection\.js"/,
+        message: "timeline range release helpers must keep selection finalization delegated to the range helper module",
+      },
+    ],
+    forbidden: [],
+  },
   {
     file: "apps/web/src/hooks/timelineOptimisticAllocations.ts",
     maxLines: 80,
@@ -465,6 +484,10 @@ export const rules = [
         pattern: /from "\.\/timelineRangeSelection\.js"/,
         message: "timeline drag must keep range preview and finalization delegated to the extracted helper module",
       },
+      {
+        pattern: /from "\.\/timelineRangeRelease\.js"/,
+        message: "timeline drag must keep range release and cancel delegated to the extracted helper module",
+      },
       {
         pattern: /from "\.\/timelineOptimisticAllocations\.js"/,
         message: "timeline drag must keep optimistic allocation reconciliation delegated to the extracted helper module",
@@ -571,6 +594,14 @@ export const rules = [
         pattern: /\bconst mutationInput = buildProjectShiftMutationInput\(finalDrag\)\b[\s\S]*applyShiftMutation\.(?:mutate|mutateAsync)\(/,
         message: "timeline drag must not re-inline extracted project drag finalize flow",
       },
+      {
+        pattern: /\bconst selection = finalizeRangeSelection\(/,
+        message: "timeline drag must not re-inline extracted range release resolution",
+      },
+      {
+        pattern: /\bif \(rangeStateRef\.current\.isSelecting\)\s*\{[\s\S]*setRangeState\(INITIAL_RANGE_STATE\);[\s\S]*\}/,
+        message: "timeline drag must not re-inline extracted range cancel reset flow",
+      },
     ],
   },
   {