feat(release): add named release anchors with codenames and roadmap integration

- Add release_names.json mapping version ranges to codenames
- Add release_name property to Settings in app/config.py
- Update build metadata script to include codename in RUNTIME_INFO
- Display release codename in status dashboard and page footer
- Inject release_name globally via template response wrapper
- Update ROADMAP.md with codenames for all milestone releases
- Add docs/ReleaseNaming.md with naming guide and best practices
- Add comprehensive tests for release name resolution

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

app/config.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 
+import json
 import os
 from typing import Any, List, Optional, Union
 
@@ -599,5 +600,51 @@ class Settings(BaseSettings):
         # Return basic info if file not found
         return f"Version: {self.version}\nBuild Date: {self.build_date}\nGit SHA: {self.git_sha}"
 
+    @property
+    def release_name(self) -> str | None:
+        """Get the release codename for the current version from release_names.json.
+
+        Looks up the current version's minor version prefix (e.g., '0.5' for '0.5.3')
+        in release_names.json to find the associated codename. Returns None if no
+        codename is defined for the current version.
+
+        Returns:
+            The release codename string, or None if not found.
+        """
+        version = self.version
+        if not version or version == "unknown":
+            return None
+
+        release_names_file = os.path.join(os.path.dirname(os.path.dirname(__file__)), "release_names.json")
+        if not os.path.exists(release_names_file):
+            return None
+
+        try:
+            with open(release_names_file, "r") as f:
+                data = json.load(f)
+
+            releases = data.get("releases", {})
+
+            # Try exact version match first (e.g., "0.5.0")
+            if version in releases:
+                return releases[version].get("codename")
+
+            # Try minor version prefix (e.g., "0.5" for "0.5.3")
+            parts = version.split(".")
+            if len(parts) >= 2:
+                minor_prefix = f"{parts[0]}.{parts[1]}"
+                if minor_prefix in releases:
+                    return releases[minor_prefix].get("codename")
+
+            # Try major version prefix (e.g., "1" for "1.0.0")
+            if len(parts) >= 1:
+                major_prefix = parts[0]
+                if major_prefix in releases:
+                    return releases[major_prefix].get("codename")
+
+            return None
+        except (json.JSONDecodeError, KeyError, IndexError):
+            return None
+
 
 settings = Settings()