chore: fix fusion-lint warnings in module-app and module-navigation

.changeset/module-app-navigation_fusion-lint-comments.md

@@ -0,0 +1,6 @@
+---
+"@equinor/fusion-framework-module-app": patch
+"@equinor/fusion-framework-module-navigation": patch
+---
+
+Internal: address fusion-lint warnings — mark `FrameworkOptionsSchema` as intentionally co-located per the file's existing convention, and add intent comments to `NavigationProvider`'s path-normalization loops.

.github/actions/build-packages/action.yml

@@ -14,6 +14,15 @@ runs:
       shell: bash
       run: pnpm build --continue
 
+    # Checkout pins `ref` to the PR head SHA, so it only fetches that commit's
+    # history — `main` never becomes a resolvable ref locally. `git fetch`
+    # alone only populates FETCH_HEAD, so fetch straight into a local branch
+    # ref, which is what turbo's merge-base lookup requires.
+    - name: Fetch main for affected detection
+      if: ${{ inputs.only-affected == 'true' }}
+      shell: bash
+      run: git fetch origin main:main
+
     - name: Build project [affected]
       if: ${{ inputs.only-affected == 'true' }}
       shell: bash

packages/modules/app/src/schemas.ts

@@ -70,6 +70,8 @@ const ApiApplicationPersonSchema = z.object({
  * at runtime without requiring them to be declared here. Add known properties
  * to this schema as they are introduced.
  */
+// Deliberately co-located with ApiApplicationBuildSchema, which depends on it
+// fusion-lint-disable-next-line single-export-per-file
 export const FrameworkOptionsSchema = z
   .object({
     contextRouting: z

packages/modules/navigation/src/NavigationProvider.ts

@@ -37,9 +37,12 @@ const normalizePathname = (path: string): string => {
   let result = '';
   let lastWasSlash = false;
 
+  // Walk each character once to collapse runs of slashes in a single pass
   for (let i = 0; i < path.length; i++) {
     const char = path[i];
+    // Only slashes need de-duplication; every other character passes through
     if (char === '/') {
+      // Keep the first slash of a run, drop the rest
       if (!lastWasSlash) {
         result += char;
         lastWasSlash = true;
@@ -67,6 +70,7 @@ const normalizePathname = (path: string): string => {
 const stripTrailingSlashes = (path: string): string => {
   // Use iterative approach to avoid ReDoS vulnerability
   let endIndex = path.length;
+  // Shrink endIndex past every trailing slash
   while (endIndex > 0 && path[endIndex - 1] === '/') {
     endIndex--;
   }