fix: make template metadata line breaks markdownlint-safe (#2505)

Co-authored-by: root <1647273252@qq.com>

templates/plan-template.md

@@ -1,6 +1,7 @@
 # Implementation Plan: [FEATURE]
 
 **Branch**: `[###-feature-name]` | **Date**: [DATE] | **Spec**: [link]
+
 **Input**: Feature specification from `/specs/[###-feature-name]/spec.md`
 
 **Note**: This template is filled in by the `__SPECKIT_COMMAND_PLAN__` command. See `.specify/templates/plan-template.md` for the execution workflow.
@@ -17,14 +18,22 @@
   the iteration process.
 -->
 
-**Language/Version**: [e.g., Python 3.11, Swift 5.9, Rust 1.75 or NEEDS CLARIFICATION]  
-**Primary Dependencies**: [e.g., FastAPI, UIKit, LLVM or NEEDS CLARIFICATION]  
-**Storage**: [if applicable, e.g., PostgreSQL, CoreData, files or N/A]  
-**Testing**: [e.g., pytest, XCTest, cargo test or NEEDS CLARIFICATION]  
+**Language/Version**: [e.g., Python 3.11, Swift 5.9, Rust 1.75 or NEEDS CLARIFICATION]
+
+**Primary Dependencies**: [e.g., FastAPI, UIKit, LLVM or NEEDS CLARIFICATION]
+
+**Storage**: [if applicable, e.g., PostgreSQL, CoreData, files or N/A]
+
+**Testing**: [e.g., pytest, XCTest, cargo test or NEEDS CLARIFICATION]
+
 **Target Platform**: [e.g., Linux server, iOS 15+, WASM or NEEDS CLARIFICATION]
-**Project Type**: [e.g., library/cli/web-service/mobile-app/compiler/desktop-app or NEEDS CLARIFICATION]  
-**Performance Goals**: [domain-specific, e.g., 1000 req/s, 10k lines/sec, 60 fps or NEEDS CLARIFICATION]  
-**Constraints**: [domain-specific, e.g., <200ms p95, <100MB memory, offline-capable or NEEDS CLARIFICATION]  
+
+**Project Type**: [e.g., library/cli/web-service/mobile-app/compiler/desktop-app or NEEDS CLARIFICATION]
+
+**Performance Goals**: [domain-specific, e.g., 1000 req/s, 10k lines/sec, 60 fps or NEEDS CLARIFICATION]
+
+**Constraints**: [domain-specific, e.g., <200ms p95, <100MB memory, offline-capable or NEEDS CLARIFICATION]
+
 **Scale/Scope**: [domain-specific, e.g., 10k users, 1M LOC, 50 screens or NEEDS CLARIFICATION]
 
 ## Constitution Check

templates/spec-template.md

@@ -1,8 +1,11 @@
 # Feature Specification: [FEATURE NAME]
 
-**Feature Branch**: `[###-feature-name]`  
-**Created**: [DATE]  
-**Status**: Draft  
+**Feature Branch**: `[###-feature-name]`
+
+**Created**: [DATE]
+
+**Status**: Draft
+
 **Input**: User description: "$ARGUMENTS"
 
 ## User Scenarios & Testing *(mandatory)*
@@ -11,7 +14,7 @@
   IMPORTANT: User stories should be PRIORITIZED as user journeys ordered by importance.
   Each user story/journey must be INDEPENDENTLY TESTABLE - meaning if you implement just ONE of them,
   you should still have a viable MVP (Minimum Viable Product) that delivers value.
-  
+
   Assign priorities (P1, P2, P3, etc.) to each story, where P1 is the most critical.
   Think of each story as a standalone slice of functionality that can be:
   - Developed independently
@@ -85,7 +88,7 @@
 ### Functional Requirements
 
 - **FR-001**: System MUST [specific capability, e.g., "allow users to create accounts"]
-- **FR-002**: System MUST [specific capability, e.g., "validate email addresses"]  
+- **FR-002**: System MUST [specific capability, e.g., "validate email addresses"]
 - **FR-003**: Users MUST be able to [key interaction, e.g., "reset their password"]
 - **FR-004**: System MUST [data requirement, e.g., "persist user preferences"]
 - **FR-005**: System MUST [behavior, e.g., "log all security events"]

templates/tasks-template.md

@@ -6,6 +6,7 @@ description: "Task list template for feature implementation"
 # Tasks: [FEATURE NAME]
 
 **Input**: Design documents from `/specs/[###-feature-name]/`
+
 **Prerequisites**: plan.md (required), spec.md (required for user stories), research.md, data-model.md, contracts/
 
 **Tests**: The examples below include test tasks. Tests are OPTIONAL - only include them if explicitly requested in the feature specification.
@@ -25,21 +26,21 @@ description: "Task list template for feature implementation"
 - **Mobile**: `api/src/`, `ios/src/` or `android/src/`
 - Paths shown below assume single project - adjust based on plan.md structure
 
-<!-- 
+<!--
   ============================================================================
   IMPORTANT: The tasks below are SAMPLE TASKS for illustration purposes only.
-  
+
   The __SPECKIT_COMMAND_TASKS__ command MUST replace these with actual tasks based on:
   - User stories from spec.md (with their priorities P1, P2, P3...)
   - Feature requirements from plan.md
   - Entities from data-model.md
   - Endpoints from contracts/
-  
+
   Tasks MUST be organized by user story so each story can be:
   - Implemented independently
   - Tested independently
   - Delivered as an MVP increment
-  
+
   DO NOT keep these sample tasks in the generated tasks.md file.
   ============================================================================
 -->