Clean up skill docs from review

- Remove stale scratchpad references in cli-reference.md
- Remove redundant "Key Learnings" header in SKILL.md
- Remove redundant curl/grep commands from failure-patterns.md

🤖 Co-Authored-By: Claude Code <noreply@anthropic.com>

Author: lucaspimentel

.claude/skills/troubleshoot-ci-build/SKILL.md

@@ -260,8 +260,6 @@ What would you like to investigate?
 - **Run Tests Locally**: `docs/development/CI/RunSmokeTestsLocally.md` - Reproduce failures locally
 - **Azure DevOps Pipeline**: `.azure-pipelines.yml` - Pipeline configuration
 
-## Key Learnings
-
 ### Timeline Record Structure
 
 The Azure DevOps timeline contains a hierarchy:

.claude/skills/troubleshoot-ci-build/failure-patterns.md

@@ -532,27 +532,6 @@ Are there canceled jobs?
 
 ---
 
-## Useful Commands for Investigation
-
-### Download Specific Test Logs
-```bash
-# Get timeline to find log ID
-curl -s "https://dev.azure.com/datadoghq/.../builds/<BUILD_ID>/timeline" | jq '.records[] | select(.result == "failed")'
-
-# Download log
-curl -s "https://dev.azure.com/datadoghq/.../builds/<BUILD_ID>/logs/<LOG_ID>" > test.log
-```
-
-### Search for Common Patterns
-```bash
-# In downloaded log
-grep -i "\[FAIL\]" test.log
-grep -i "Expected" test.log
-grep -i "error\|exception" test.log -A 5
-```
-
----
-
 ## Historical Context
 
 ### Known Issues

.claude/skills/troubleshoot-ci-build/references/cli-reference.md

@@ -51,19 +51,18 @@ Available fields: `bucket`, `completedAt`, `description`, `event`, `link`, `name
 
 ## Windows CLI Pitfalls (Lessons Learned)
 
-### 0. Always Use Scratchpad Directory
+### 0. Use Temporary Directory for Output Files
 
-**Problem**: Using `/tmp` or `$TEMP` can cause issues on Windows
+**Problem**: Using `/tmp` or hardcoded paths can cause issues on Windows
 
-**Solution**: Always use the scratchpad directory provided in the system prompt
+**Solution**: Use `$TEMP` (PowerShell/Windows) or a user-specified output directory
 
 ```bash
 # Bad - Don't hardcode /tmp
 az devops invoke ... > /tmp/timeline.json
 
-# Good - Use scratchpad from system prompt
-SCRATCHPAD="<path provided in system prompt>"
-az devops invoke ... > "$SCRATCHPAD/timeline.json"
+# Good - Use $TEMP or a specific output directory
+az devops invoke ... > "$TEMP/timeline.json"
 ```
 
 ### 1. Complex jq Filters Fail on Windows
@@ -77,8 +76,8 @@ az devops invoke ... > "$SCRATCHPAD/timeline.json"
 az devops invoke ... | jq '.records[] | select(.issues != null and .issues != [])'
 
 # Good - Save first, then query
-az devops invoke ... --output json > "$SCRATCHPAD/timeline.json"
-cat "$SCRATCHPAD/timeline.json" | jq '.records[] | select(.issues)'
+az devops invoke ... --output json > "$TEMP/timeline.json"
+cat "$TEMP/timeline.json" | jq '.records[] | select(.issues)'
 ```
 
 ### 2. API 500 Errors for Logs - USE TIMELINE URLs INSTEAD