chore(skill): update generatedBy version to 1.3.1 in openspec-explore and openspec-propose

Author: gqcn

.agents/skills/openspec-explore/SKILL.md

@@ -6,7 +6,7 @@ compatibility: Requires openspec CLI.
 metadata:
   author: openspec
   version: "1.0"
-  generatedBy: "1.2.0"
+  generatedBy: "1.3.1"
 ---
 
 Enter explore mode. Think deeply. Visualize freely. Follow the conversation wherever it goes.
@@ -56,10 +56,10 @@ Depending on what the user brings, you might:
 │     Use ASCII diagrams liberally        │
 ├─────────────────────────────────────────┤
 │                                         │
-│   ┌────────┐         ┌────────┐        │
-│   │ State  │────────▶│ State  │        │
-│   │   A    │         │   B    │        │
-│   └────────┘         └────────┘        │
+│      ┌────────┐         ┌────────┐      │
+│      │ State  │────────▶│ State  │      │
+│      │   A    │         │   B    │      │
+│      └────────┘         └────────┘      │
 │                                         │
 │   System diagrams, state machines,      │
 │   data flows, architecture sketches,    │
@@ -114,14 +114,14 @@ If the user mentions a change or you detect one is relevant:
 
 3. **Offer to capture when decisions are made**
 
-   | Insight Type | Where to Capture |
-   |--------------|------------------|
-   | New requirement discovered | `specs/<capability>/spec.md` |
-   | Requirement changed | `specs/<capability>/spec.md` |
-   | Design decision made | `design.md` |
-   | Scope changed | `proposal.md` |
-   | New work identified | `tasks.md` |
-   | Assumption invalidated | Relevant artifact |
+    | Insight Type               | Where to Capture               |
+    |----------------------------|--------------------------------|
+    | New requirement discovered | `specs/<capability>/spec.md` |
+    | Requirement changed        | `specs/<capability>/spec.md` |
+    | Design decision made       | `design.md`                  |
+    | Scope changed              | `proposal.md`                |
+    | New work identified        | `tasks.md`                   |
+    | Assumption invalidated     | Relevant artifact              |
 
    Example offers:
    - "That's a design decision. Capture it in design.md?"
@@ -227,7 +227,7 @@ User: A CLI tool that tracks local dev environments
 You: That changes everything.
 
      ┌─────────────────────────────────────────────────┐
-     │         CLI TOOL DATA STORAGE                  │
+     │          CLI TOOL DATA STORAGE                  │
      └─────────────────────────────────────────────────┘
 
      Key constraints:

.agents/skills/openspec-propose/SKILL.md

@@ -6,7 +6,7 @@ compatibility: Requires openspec CLI.
 metadata:
   author: openspec
   version: "1.0"
-  generatedBy: "1.2.0"
+  generatedBy: "1.3.1"
 ---
 
 Propose a new change - create the change and generate all artifacts in one step.