[extension] Update Spec Kit Preview extension to v1.1.0 and sync Firebender agent lists

.github/ISSUE_TEMPLATE/agent_request.yml

@@ -8,7 +8,7 @@ body:
       value: |
         Thanks for requesting a new agent! Before submitting, please check if the agent is already supported.
 
-        **Currently supported agents**: Amp, Antigravity, Auggie CLI, Claude Code, Cline, CodeBuddy, Codex CLI, Cursor, Devin for Terminal, Forge, Gemini CLI, GitHub Copilot, Goose, Hermes Agent, IBM Bob, iFlow CLI, Junie, Kilo Code, Kimi Code, Kiro CLI, Lingma, Mistral Vibe, opencode, Pi Coding Agent, Qoder CLI, Qwen Code, Roo Code, RovoDev ACLI, SHAI, Tabnine CLI, Trae, Windsurf, ZCode, Zed
+        **Currently supported agents**: Amp, Antigravity, Auggie CLI, Claude Code, Cline, CodeBuddy, Codex CLI, Cursor, Devin for Terminal, Firebender, Forge, Gemini CLI, GitHub Copilot, Goose, Hermes Agent, IBM Bob, iFlow CLI, Junie, Kilo Code, Kimi Code, Kiro CLI, Lingma, Mistral Vibe, opencode, Pi Coding Agent, Qoder CLI, Qwen Code, Roo Code, RovoDev ACLI, SHAI, Tabnine CLI, Trae, Windsurf, ZCode, Zed
 
   - type: input
     id: agent-name

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -71,6 +71,7 @@ body:
         - Codex CLI
         - Cursor
         - Devin for Terminal
+        - Firebender
         - Forge
         - Gemini CLI
         - GitHub Copilot

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -65,6 +65,7 @@ body:
         - Codex CLI
         - Cursor
         - Devin for Terminal
+        - Firebender
         - Forge
         - Gemini CLI
         - GitHub Copilot

docs/community/extensions.md

@@ -58,7 +58,6 @@ The following community-contributed extensions are available in [`catalog.commun
 | GitHub Issues Integration 2 | Creates and syncs local specs from an existing GitHub issue | `integration` | Read+Write | [spec-kit-issue](https://github.com/aaronrsun/spec-kit-issue) |
 | 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, and test-case evidence into SDD-ready intake artifacts | `docs` | Read+Write | [spec-kit-intake](https://github.com/bigsmartben/spec-kit-intake) |
-| Interactive HTML Preview | Generate self-contained interactive HTML prototypes from Spec Kit artifacts | `docs` | Read+Write | [spec-kit-preview](https://github.com/bigsmartben/spec-kit-preview) |
 | 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) |
 | 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) |
@@ -112,6 +111,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Spec Critique Extension | Dual-lens critical review of spec and plan from product strategy and engineering risk perspectives | `docs` | Read-only | [spec-kit-critique](https://github.com/arunt14/spec-kit-critique) |
 | Spec Diagram | Auto-generate Mermaid diagrams of SDD workflow state, feature progress, and task dependencies | `visibility` | Read-only | [spec-kit-diagram-](https://github.com/Quratulain-bilal/spec-kit-diagram-) |
 | Spec Kit Discovery Extension | Run technical discovery commands for feasibility, technology selection, scenario-specific technical decisions, legacy codebase assessment, implementation understanding, and proof-of-concept validation | `process` | Read+Write | [spec-kit-discovery](https://github.com/bigsmartben/spec-kit-discovery) |
+| Spec Kit Preview | Generate evidence-backed low, mid, or high fidelity previews from Spec Kit artifacts as Markdown or self-contained HTML | `docs` | Read+Write | [spec-kit-preview](https://github.com/bigsmartben/spec-kit-preview) |
 | Spec Kit Schedule | Optimal multi-agent task scheduling via CP-SAT — DAG precedence, hallucination-aware caps, file-conflict avoidance, stochastic durations, replanning, and interactive HTML output | `process` | Read+Write | [spec-kit-schedule](https://github.com/jfranc38/spec-kit-schedule) |
 | Spec Kit TLDR | Render a feature's spec.md / plan.md into a review-oriented TLDR (self-contained HTML dashboard + PR-native Markdown) that surfaces risks for faster PR review. | `visibility` | Read+Write | [speckit-tldr](https://github.com/qurore/speckit-tldr) |
 | Spec Orchestrator | Cross-feature orchestration — track state, select tasks, and detect conflicts across parallel specs | `process` | Read-only | [spec-kit-orchestrator](https://github.com/Quratulain-bilal/spec-kit-orchestrator) |

extensions/catalog.community.json

@@ -2421,12 +2421,12 @@
       "updated_at": "2026-03-18T00:00:00Z"
     },
     "preview": {
-      "name": "Interactive HTML Preview",
+      "name": "Spec Kit Preview",
       "id": "preview",
-      "description": "Generate self-contained interactive HTML prototypes from Spec Kit artifacts",
+      "description": "Generate evidence-backed low, mid, or high fidelity previews from Spec Kit artifacts as Markdown or self-contained HTML",
       "author": "bigsmartben",
-      "version": "1.0.0",
-      "download_url": "https://github.com/bigsmartben/spec-kit-preview/archive/refs/tags/v1.0.0.zip",
+      "version": "1.1.0",
+      "download_url": "https://github.com/bigsmartben/spec-kit-preview/archive/refs/tags/v1.1.0.zip",
       "repository": "https://github.com/bigsmartben/spec-kit-preview",
       "homepage": "https://github.com/bigsmartben/spec-kit-preview",
       "documentation": "https://github.com/bigsmartben/spec-kit-preview/blob/main/README.md",
@@ -2438,20 +2438,21 @@
         "speckit_version": ">=0.8.10.dev0"
       },
       "provides": {
-        "commands": 1,
+        "commands": 6,
         "hooks": 0
       },
       "tags": [
         "preview",
         "prototype",
         "html",
+        "markdown",
         "ux"
       ],
       "verified": false,
       "downloads": 0,
       "stars": 0,
       "created_at": "2026-05-15T00:00:00Z",
-      "updated_at": "2026-05-15T00:00:00Z"
+      "updated_at": "2026-06-23T00:00:00Z"
     },
     "product": {
       "name": "Product Spec Extension",

tests/test_agent_config_consistency.py

@@ -20,6 +20,7 @@
     "codex",
     "cursor-agent",
     "devin",
+    "firebender",
     "forge",
     "gemini",
     "copilot",