fix: synchronize tool documentation with v2.26.0 tool consolidation (v2.26.2) (#442)

* fix: synchronize tool documentation with v2.26.0 tool consolidation (v2.26.2)

- Delete 23 obsolete documentation files for removed tools
- Create consolidated documentation for get_node, validate_node, n8n_executions
- Update search_templates with all searchModes
- Update n8n_get_workflow with all modes
- Fix stale relatedTools references
- Update tools-documentation.ts overview to reflect 19 consolidated tools

Conceived by Romuald Członkowski - www.aiadvisors.pl/en

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

* fix: address code review - fix remaining stale tool references

- Fix relatedTools in system/tools-documentation.ts (get_node_for_task → search_templates)
- Fix relatedTools in validation/validate-workflow.ts (remove references to removed tools)
- Fix relatedTools in n8n-autofix-workflow.ts (remove references to removed tools)
- Update tools-n8n-friendly.ts with consolidated tools (validate_node, get_node, search_templates)

Conceived by Romuald Członkowski - www.aiadvisors.pl/en

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

* fix: address final code review - fix remaining stale references

- Fix ai-agents-guide.ts: get_node_essentials → get_node, remove list_ai_tools
- Fix get-template.ts: list_node_templates → search_templates, remove get_templates_for_task
- Fix n8n-list-workflows.ts: n8n_get_workflow_minimal → n8n_get_workflow, n8n_list_executions → n8n_executions
- Fix n8n-trigger-webhook-workflow.ts: n8n_get_execution/n8n_list_executions → n8n_executions
- Fix n8n-delete-workflow.ts: n8n_get_workflow_minimal → n8n_get_workflow, n8n_delete_execution → n8n_executions
- Fix CHANGELOG date typo: 2025-01-25 → 2025-11-25

Conceived by Romuald Członkowski - www.aiadvisors.pl/en

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

* test: adjust comprehensive docs threshold after tool consolidation

Reduce expected character count from 5000 to 4000 in tool-invocation.test.ts
to account for reduced documentation after v2.26.0 tool consolidation
(31→19 tools, actual output is ~4645 chars).

Conceived by Romuald Członkowski - www.aiadvisors.pl/en

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

---------

Co-authored-by: Claude <noreply@anthropic.com>

tests/integration/mcp-protocol/tool-invocation.test.ts

@@ -357,7 +357,8 @@ describe('MCP Tool Invocation', () => {
           depth: 'full'
         }});
 
-        expect(((response as any).content[0]).text.length).toBeGreaterThan(5000);
+        // Reduced from 5000 after v2.26.0 tool consolidation (31→19 tools)
+        expect(((response as any).content[0]).text.length).toBeGreaterThan(4000);
         expect(((response as any).content[0]).text).toBeDefined();
       });