Adds basic task management tools.

scripts/update-tasks

@@ -2,17 +2,17 @@
 """
 update-tasks
 
-Synchronizes and regenerates Documentation/Tasks.md:
+Synchronizes and regenerates docs/tasks.md:
 1. Parses YAML frontmatter for projects, epics, task-statuses, task-types, and task-id-prefix.
 2. Extracts all task chunks and sorts the Detailed Tasks section strictly by numeric task ID.
 3. Updates the Detailed Tasks section:
-   - Normalizes all task IDs to uniform digit width (minimum 3 digits, e.g. OT-001).
+   - Normalizes all task IDs to uniform digit width (minimum 3 digits, e.g. EX-001).
    - Synchronizes task detail blocks (including optional **Epic:**) with anchor tags (SSOT).
 4. Re-renders the Overall Progress Table (tasks-list) from the sorted, updated task details:
    - Bold (**Title**) for pending tasks
    - Italic (*Title*) for planning and triage tasks
    - Plain (Title) for fixed/done/other tasks
-   - Type column links ([Type](#ot-xxx))
+   - Type column links ([Type](#ex-xxx))
 5. Re-renders the metadata derived enum tables at the end of the document:
    - Projects (Rendered from frontmatter projects)
    - Task Statuses (Rendered from frontmatter task-statuses)
@@ -106,7 +106,7 @@ def read_frontmatter(text):
 
 
 def get_task_id_prefix(fm_data):
-    prefix = os.environ.get("TASK_ID_PREFIX", fm_data.get("task-id-prefix", "OT"))
+    prefix = os.environ.get("TASK_ID_PREFIX", fm_data.get("task-id-prefix", "EX"))
     if not isinstance(prefix, str) or not re.fullmatch(r"[A-Za-z][A-Za-z0-9_-]*", prefix):
         raise ValueError("Task ID prefix must start with a letter and contain only letters, digits, underscores, or hyphens")
     return prefix.upper()