chore: sync mops-cli skill from upstream cli-v2.14.0

[marc0olo]

Syncs the mops-cli skill from upstream caffeinelabs/mops cli-v2.13.2 → cli-v2.14.0 (commit d448cdf9).

The mops-cli body is 1:1 with upstream (no icskills-owned sections), so all upstream additions are applied directly.

Upstream changes applied

• pocket-ic toolchain pinning — pin pocket-ic in [toolchain] if you have replica tests or benchmarks; otherwise mops test --mode replica, mops bench, and mops watch fall back to the deprecated dfx replica and print a warning. Applied to Key Principles, the minimal mops.toml, mops toolchain use, and the mops test section.
• .mops/fix.lock — concurrent --fix runs serialize automatically via an advisory lock; safe to invoke from multiple agents on the same project.
• mops update --patch — restrict to patch bumps only (mutually exclusive with --major).

Other changes

• Bumped compatibility to mops >= 2.14.0 (new features require it).
• Updated .claude/upstream.md — tag, full commit SHA, last-synced date.
• Added a Replica tests pocket-ic pin eval case for the new (and easily-missed) fallback pitfall.

Eval results

New eval case — Replica tests pocket-ic pin (with skill)

WITH skill: 4/4 passed
  ✅ Explains the warning is because `pocket-ic` is not pinned in `[toolchain]`, so mops falls back to the deprecated dfx replica
  ✅ Pins `pocket-ic` in the `[toolchain]` section of mops.toml (e.g. `pocket-ic = "12.0.0"`) OR uses `mops toolchain use pocket-ic 12.0.0`
  ✅ Pins a specific pocket-ic version rather than `latest` (latest may resolve to a version the bundled pic-js client doesn't support)
  ✅ Notes the same pin also applies to `mops bench` and `mops watch`

Closes #220

[github-actions]

Skill Validation Report

Validating skill: /home/runner/work/icskills/icskills/skills/mops-cli

Structure

• Pass: SKILL.md found

Frontmatter

• Pass: name: "mops-cli" (valid)
• Pass: description: (341 chars)
• Pass: license: "Apache-2.0"
• Pass: compatibility: (14 chars)
• Pass: metadata: (2 entries)

Markdown

• Pass: no unclosed code fences found

Tokens

File	Tokens
SKILL.md body	2,092
Total	2,092

Content Analysis

Metric	Value
Word count	1,173
Code block ratio	0.35
Imperative ratio	0.09
Information density	0.22
Instruction specificity	0.54
Sections	21
List items	9
Code blocks	14

Contamination Analysis

Metric	Value
Contamination level	low
Contamination score	0.01
Primary language category	shell
Scope breadth	2

• Warning: Language mismatch: config (1 category differ from primary)

Result: passed

Project Checks

✓ Project checks passed for 1 skills (0 warnings)