fix: install shared packages over git, unbreaking CI

The Verdaccio registry introduced earlier is unreachable from CI (listens on
127.0.0.1:4873 behind a firewall allowing only 80/443/SSH), which broke the
architecture-governance workflow - its npm ci step could no longer resolve
@marketplaces/auth.

Packages are now published to git release branches (release/auth,
release/payment in vitanovaPackages) whose root is the package itself, and
installed with git+<repo>#release/auth. No registry, token, tunnel, or CI
secret - anonymous git read is enough.

- package.json: git dependency; .npmrc removed (no scope mapping needed)
- vitanovaPackages release.yml rebuilt to force-push release branches
- ADR-0001 amended with the distribution change and why the registry lost
- BACKEND-HANDOFF: added the multi-tenancy section (hostname -> tenantKey ->
  per-tenant bootstrap config), corrected the install and deploy notes, and
  recorded that no CD pipeline exists
- PACKAGE-EXTRACTION / PACKAGES-USAGE rewritten for the git-branch flow

Verified: npm ci, arch:check:boundaries, ng build, 103/103 tests, all with
no credentials configured.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

package-lock.json

@@ -17,7 +17,7 @@
         "@angular/platform-browser": "22.0.8",
         "@angular/router": "22.0.8",
         "@angular/service-worker": "22.0.8",
-        "@marketplaces/auth": "0.1.0",
+        "@marketplaces/auth": "git+https://sources.vitanova.network/sdarbinyan/vitanovaPackages.git#release/auth",
         "rxjs": "~7.8.0",
         "tslib": "^2.8.0",
         "zone.js": "~0.16.0"
@@ -1808,12 +1808,12 @@
     },
     "node_modules/@marketplaces/auth": {
       "version": "0.1.0",
-      "resolved": "http://127.0.0.1:4873/@marketplaces/auth/-/auth-0.1.0.tgz",
-      "integrity": "sha512-BPd1xIDlSFhqtT3utDXT4cIj9HIbcRxodqvzVqjE0l5VkZ3TRC6anjTEiwRCjvCyaopWyyjFcuVj2fQPPZDxdg==",
+      "resolved": "git+https://sources.vitanova.network/sdarbinyan/vitanovaPackages.git#93f99cc7b19f88112337e7a6544c1c09d9904744",
       "license": "UNLICENSED",
       "peerDependencies": {
         "@angular/common": ">=22.0.0",
         "@angular/core": ">=22.0.0",
+        "@angular/router": ">=22.0.0",
         "rxjs": ">=7.8.0"
       }
     },