feat: Claude Code slash commands for Task Master (#774)

* Fix Cursor deeplink installation with copy-paste instructions (#723)

* fix: expand-task (#755)

* docs: Update o3 model price (#751)

* docs: Auto-update and format models.md

* docs: Auto-update and format models.md

* feat: Add Claude Code task master commands

Adds Task Master slash commands for Claude Code under /project:tm/ namespace

---------

Co-authored-by: Joe Danziger <joe@ticc.net>
Co-authored-by: Ralph Khreish <35776126+Crunchyman-ralph@users.noreply.github.com>
Co-authored-by: Volodymyr Zahorniak <7808206+zahorniak@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: neno-is-ooo <204701868+neno-is-ooo@users.noreply.github.com>

.claude/commands/tm/list/by-status.md

@@ -0,0 +1,39 @@
+List tasks filtered by a specific status.
+
+Arguments: $ARGUMENTS
+
+Parse the status from arguments and list only tasks matching that status.
+
+## Status Options
+- `pending` - Not yet started
+- `in-progress` - Currently being worked on
+- `done` - Completed
+- `review` - Awaiting review
+- `deferred` - Postponed
+- `cancelled` - Cancelled
+
+## Execution
+
+Based on $ARGUMENTS, run:
+```bash
+task-master list --status=$ARGUMENTS
+```
+
+## Enhanced Display
+
+For the filtered results:
+- Group by priority within the status
+- Show time in current status
+- Highlight tasks approaching deadlines
+- Display blockers and dependencies
+- Suggest next actions for each status group
+
+## Intelligent Insights
+
+Based on the status filter:
+- **Pending**: Show recommended start order
+- **In-Progress**: Display idle time warnings
+- **Done**: Show newly unblocked tasks
+- **Review**: Indicate review duration
+- **Deferred**: Show reactivation criteria
+- **Cancelled**: Display impact analysis