docs: verify #1413 already implemented

docs/issue-1413-verification.md

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+# Issue #1413 Verification
+
+Status: already implemented on `main`
+
+## Acceptance criteria check
+
+1. ✅ `deploy.sh` comment for `nexus-main` uses port `8765`
+   - Evidence: `deploy.sh:3`
+2. ✅ `deploy.sh` comment for `nexus-staging` uses port `8766`
+   - Evidence: `deploy.sh:4`
+3. ✅ `docker-compose.yml` confirms those bindings
+   - Evidence: `docker-compose.yml:9` is `"8765:8765"`
+   - Evidence: `docker-compose.yml:15` is `"8766:8765"`
+
+## Why no code fix was needed
+
+The issue describes stale comments (`4200` / `4201`), but the current `main` branch already contains the corrected comments:
+
+```text
+# Usage: ./deploy.sh          — rebuild and restart nexus-main (port 8765)
+#        ./deploy.sh staging  — rebuild and restart nexus-staging (port 8766)
+```
+
+## Value added in this PR
+
+- adds `tests/test_deploy_script_ports.py` so future drift between `deploy.sh` comments and `docker-compose.yml` is caught automatically
+- documents the verification outcome here so the issue can be closed without reimplementing an already-merged fix
+
+## Recommendation
+
+Close issue #1413 as already implemented.

tests/test_deploy_script_ports.py

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+from pathlib import Path
+
+
+NEXUS_ROOT = Path(__file__).resolve().parent.parent
+
+
+def test_deploy_sh_header_comments_match_live_ports():
+    deploy_sh = (NEXUS_ROOT / "deploy.sh").read_text()
+    assert "(port 8765)" in deploy_sh, "deploy.sh should document nexus-main on port 8765"
+    assert "(port 8766)" in deploy_sh, "deploy.sh should document nexus-staging on port 8766"
+    assert "4200" not in deploy_sh, "stale 4200 comment should not remain in deploy.sh"
+    assert "4201" not in deploy_sh, "stale 4201 comment should not remain in deploy.sh"
+
+
+def test_deploy_sh_comments_match_docker_compose_bindings():
+    deploy_sh = (NEXUS_ROOT / "deploy.sh").read_text().splitlines()
+    compose = (NEXUS_ROOT / "docker-compose.yml").read_text()
+
+    main_comment = next(line for line in deploy_sh if "nexus-main" in line and "port" in line)
+    staging_comment = next(line for line in deploy_sh if "nexus-staging" in line and "port" in line)
+
+    assert '"8765:8765"' in compose, "docker-compose should expose nexus-main on 8765"
+    assert '"8766:8765"' in compose, "docker-compose should expose nexus-staging via host port 8766"
+    assert "8765" in main_comment, "nexus-main deploy comment should cite 8765"
+    assert "8766" in staging_comment, "nexus-staging deploy comment should cite 8766"