vscode config improvements

docs/skills/vscode-configuration/references/tasks-json-configuration.md

@@ -1,6 +1,6 @@
 # Configure Project Tasks in tasks.json
 
-Use `.vscode/tasks.json` to define repeatable project commands and optional hooks for debugging.
+Use [`.vscode/tasks.json`](https://code.visualstudio.com/docs/editor/tasks) to define repeatable project commands and optional hooks for debugging.
 
 ## Minimal File
 
@@ -14,12 +14,12 @@ Use `.vscode/tasks.json` to define repeatable project commands and optional hook
 ## Task Fields You Will Use Most
 
 - `label`: Task name shown in VS Code.
-- `type`: Usually `shell`.
+- `type`: Usually [`shell`](https://code.visualstudio.com/docs/editor/tasks#_custom-tasks).
 - `command`: Executable to run.
 - `args`: Command arguments.
-- `options.cwd`: Working directory.
-- `group`: Mark default build or test tasks.
-- `problemMatcher`: Parse errors into the Problems panel.
+- `options.cwd`: Working directory (supports [variable substitution](https://code.visualstudio.com/docs/editor/variables-reference)).
+- `group`: Mark default build or test tasks ([task groups](https://code.visualstudio.com/docs/editor/tasks#_grouping-tasks)).
+- `problemMatcher`: Parse errors into the Problems panel ([problem matchers](https://code.visualstudio.com/docs/editor/tasks#_defining-a-problem-matcher)).
 - `isBackground`: `true` for long-running tasks (for example dev server watch).
 
 ## Python Project Example
@@ -56,7 +56,7 @@ Use `.vscode/tasks.json` to define repeatable project commands and optional hook
 
 ## Connect Tasks to Debug Profiles
 
-In `launch.json`, you can run a task first:
+In [`launch.json`](https://code.visualstudio.com/docs/debugtest/debugging-configuration), you can run a task first with [`preLaunchTask`](https://code.visualstudio.com/docs/debugtest/debugging-configuration#_launchjson-attributes):
 
 ```json
 {
@@ -90,3 +90,10 @@ If a task fails unexpectedly:
 3. Confirm tool availability in environment path.
 4. Confirm quoting and argument boundaries in `args`.
 5. Confirm the task is not blocked by an outdated background process.
+
+## Source Documentation
+
+- [VS Code Tasks (official)](https://code.visualstudio.com/docs/editor/tasks)
+- [Tasks Appendix (schema and interfaces)](https://code.visualstudio.com/docs/reference/tasks-appendix)
+- [Variables Reference](https://code.visualstudio.com/docs/editor/variables-reference)
+- [Debug configuration and launch.json](https://code.visualstudio.com/docs/debugtest/debugging-configuration)