fix: backfill missing limitations sections

Co-authored-by: Codex <noreply@openai.com>

plugins/antigravity-bundle-data-analytics/skills/ab-test-setup/SKILL.md

@@ -236,3 +236,8 @@ that is the signal to **slow down and re-check the design**.
 
 ## When to Use
 This skill is applicable to execute the workflow or actions described in the overview.
+
+## Limitations
+- Use this skill only when the task clearly matches the scope described above.
+- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
+- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

plugins/antigravity-bundle-data-analytics/skills/analytics-tracking/SKILL.md

@@ -403,3 +403,8 @@ Analytics that violate trust undermine optimization.
 
 ## When to Use
 This skill is applicable to execute the workflow or actions described in the overview.
+
+## Limitations
+- Use this skill only when the task clearly matches the scope described above.
+- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
+- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

plugins/antigravity-bundle-data-analytics/skills/claude-d3js-skill/SKILL.md

@@ -821,3 +821,8 @@ Contains boilerplate templates:
 These templates work with vanilla JavaScript, React, Vue, Svelte, or any other JavaScript environment. Adapt them as needed for your specific framework.
 
 To use these resources, read the relevant files when detailed guidance is needed for specific visualisation types or patterns.
+
+## Limitations
+- Use this skill only when the task clearly matches the scope described above.
+- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
+- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

plugins/antigravity-bundle-data-analytics/skills/database-architect/SKILL.md

@@ -261,3 +261,8 @@ When designing architecture, provide:
 - Code examples for ORM integration and migration scripts
 - Monitoring and alerting recommendations
 - Documentation of trade-offs and alternative approaches considered
+
+## Limitations
+- Use this skill only when the task clearly matches the scope described above.
+- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
+- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

plugins/antigravity-bundle-data-analytics/skills/postgres-best-practices/SKILL.md

@@ -56,3 +56,8 @@ For the complete guide with all rules expanded: `AGENTS.md`
 
 ## When to Use
 This skill is applicable to execute the workflow or actions described in the overview.
+
+## Limitations
+- Use this skill only when the task clearly matches the scope described above.
+- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
+- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

plugins/antigravity-bundle-data-analytics/skills/sql-pro/SKILL.md

@@ -169,3 +169,8 @@ Expert SQL professional focused on high-performance database systems, advanced q
 - "Design an HTAP system that handles both transactions and analytics efficiently"
 - "Create a time-series analysis query for IoT sensor data in TimescaleDB"
 - "Optimize database performance for a high-traffic e-commerce platform"
+
+## Limitations
+- Use this skill only when the task clearly matches the scope described above.
+- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
+- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.