docs(migration-guide): fix inconsistent /opsx:sync description

[HowardYan888]

Issue

The /opsx:sync command has inconsistent descriptions across three documentation files:

• migration-guide.md: "Preview/spec-merge without archiving"
• commands.md: "Merge delta specs into main specs"
• workflows.md: "Merge delta specs"

Change

Unified the description to match commands.md: "Merge delta specs into main specs"

Rationale

• More accurate and clearer description
• Consistent with the main command reference documentation
• Reduces user confusion

Impact

Documentation-only change, no functional impact.

Summary by CodeRabbit

• Documentation
  • Updated the migration guide to clarify the description of the /opsx:sync command functionality, improving accuracy for users following the workflow.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 6803c0c3-fffa-4665-b35e-b8fd0d6d2a28

📥 Commits

Reviewing files that changed from the base of the PR and between b642398 and b59ca1c.

📒 Files selected for processing (1)

• docs/migration-guide.md

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📝 Walkthrough

Walkthrough

Documentation update clarifying the /opsx:sync command's description from "Preview/spec-merge without archiving" to "Merge delta specs into main specs" in the migration guide reference table.

Changes

Migration Guide Update

Layer / File(s)	Summary
Documentation docs/migration-guide.md	Description for /opsx:sync command in Expanded workflow table clarified to reflect its actual behavior of merging delta specs into main specs.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• Fission-AI/OpenSpec#450: Documents the new /opsx:sync feature that this update describes.
• Fission-AI/OpenSpec#514: Implements agentic delta-spec sync/merge behavior that this documentation update clarifies.
• Fission-AI/OpenSpec#1030: Another PR modifying /opsx:sync documentation in the same migration guide file.

Suggested labels

codex

Suggested reviewers

• TabishB
• alfred-openspec

Poem

🐰 Delta specs dance with a clarified grace,
No archiving fuss, just a merge-into-place!
The docs now reflect what the command does best,
Hopping from preview to merging the rest.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: fixing an inconsistent command description in the migration-guide documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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