Add Intent Reconciliation extension to community catalog

Add intent extension submitted by @SuhaibAslam to:
- extensions/catalog.community.json (alphabetical order)
- docs/community/extensions.md community extensions table

Closes #3854

Assisted-by: GitHub Copilot (model: claude-sonnet-4.6, autonomous)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: github-actions[bot]

docs/community/extensions.md

@@ -66,6 +66,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Improve Extension | Audits any codebase as a senior advisor and writes prioritized, self-contained spec prompts under specs/ that the spec-kit lifecycle can process | `process` | Read+Write | [spec-kit-improve](https://github.com/d0whc3r/spec-kit-improve) |
 | Intake | Normalize PRD, design, HTML SSOT, and test-case evidence into SDD-ready intake artifacts. | `docs` | Read+Write | [spec-kit-intake](https://github.com/bigsmartben/spec-kit-intake) |
 | Intelligent Agent Orchestrator | Cross-catalog agent discovery and intelligent prompt-to-command routing | `process` | Read+Write | [spec-kit-orchestrator](https://github.com/pragya247/spec-kit-orchestrator) |
+| Intent Reconciliation | Reconcile implementation-discovered decisions against approved feature intent | `process` | Read+Write | [spec-kit-reconcile](https://github.com/SuhaibAslam/spec-kit-reconcile) |
 | Iterate | Iterate on spec documents with a two-phase define-and-apply workflow — refine specs mid-implementation and go straight back to building | `docs` | Read+Write | [spec-kit-iterate](https://github.com/imviancagrace/spec-kit-iterate) |
 | Jira Integration | Create Jira Epics, Stories, and Issues from spec-kit specifications and task breakdowns with configurable hierarchy and custom field support | `integration` | Read+Write | [spec-kit-jira](https://github.com/mbachorik/spec-kit-jira) |
 | Jira Integration (Sync Engine) | Idempotent, drift-aware, fail-closed reconcile engine mirroring spec-kit specs into Jira (Epic per repo, Story per spec, Subtask per phase) | `integration` | Read+Write | [spec-kit-jira-sync](https://github.com/ashbrener/spec-kit-jira-sync) |