feat: enhance project data handling with new Jinja filters and update UI labels for clarity

backend/templates_config.py

@@ -5,6 +5,7 @@ All routers should import `templates` from this module to get consistent
 filter and global function registration.
 """
 
+import json as _json
 from fastapi.templating import Jinja2Templates
 
 # Import timezone utilities
@@ -32,8 +33,38 @@ def jinja_timezone_abbr():
 # Create templates instance
 templates = Jinja2Templates(directory="templates")
 
+def jinja_local_date(dt, fmt="%m-%d-%y"):
+    """Jinja filter: format a UTC datetime as a local date string (e.g. 02-19-26)."""
+    return format_local_datetime(dt, fmt)
+
+
+def jinja_fromjson(s):
+    """Jinja filter: parse a JSON string into a dict (returns {} on failure)."""
+    if not s:
+        return {}
+    try:
+        return _json.loads(s)
+    except Exception:
+        return {}
+
+
+def jinja_same_date(dt1, dt2) -> bool:
+    """Jinja global: True if two datetimes fall on the same local date."""
+    if not dt1 or not dt2:
+        return False
+    try:
+        d1 = format_local_datetime(dt1, "%Y-%m-%d")
+        d2 = format_local_datetime(dt2, "%Y-%m-%d")
+        return d1 == d2
+    except Exception:
+        return False
+
+
 # Register Jinja filters and globals
 templates.env.filters["local_datetime"] = jinja_local_datetime
 templates.env.filters["local_time"] = jinja_local_time
+templates.env.filters["local_date"] = jinja_local_date
+templates.env.filters["fromjson"] = jinja_fromjson
 templates.env.globals["timezone_abbr"] = jinja_timezone_abbr
 templates.env.globals["get_user_timezone"] = get_user_timezone
+templates.env.globals["same_date"] = jinja_same_date