docs: redesign README for stronger first impression and onboarding

[Copilot]

Summary

Redesigned the repository README to improve first impression, readability, and contributor onboarding while keeping all core project information accurate.

What changed

• Rebuilt the top section into a clearer hero with improved navigation and positioning
• Reorganized content into a quick-start-first flow for faster time-to-first-command
• Added an at-a-glance commands table for the 3 OmniForge skills
• Added interactive <details> sections for install alternatives and maintenance commands
• Added a concise workflow architecture section with a Mermaid review pipeline diagram
• Simplified and clarified MCP tools, safety model, project structure, FAQ, roadmap, and contributing sections
• Added explicit section anchors for stable jump-link behavior

Research basis

Benchmarked structure and presentation patterns from prominent OSS README files (React, VS Code, TensorFlow, Kubernetes, LangChain), then applied those conventions to OmniForge:

• immediate value proposition
• trust badges and concise navigation
• fast onboarding path
• progressive disclosure for advanced setup
• clean sectioning and scannability

Validation

• cd plugins/omniforge && python3 -m pytest tests/ -v → 116 passed
• Parallel validation completed:
  • Code Review: no remaining comments
  • CodeQL: not applicable (documentation-only change)

Notes

This PR is documentation-only and does not change runtime behavior.

[Copilot]

Pull request overview

This PR redesigns README.md to improve first-time user onboarding and overall scannability for the OmniForge Claude Code plugin (GitLab MR review/fix/create workflow), without changing runtime behavior.

Changes:

• Reorganized the README into a quick-start-first flow with clearer navigation and progressive disclosure (<details>).
• Added an at-a-glance commands/skills section and a Mermaid “review pipeline” diagram.
• Simplified/condensed sections for MCP tools, safety model, project structure, FAQ, roadmap, and contributing.

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[nexiouscaliver]

OmniForge README Redesign — Review

Overall: The structural improvements are solid (mermaid diagram, collapsible sections, commands table), but the PR removes too much substantive content. OmniForge's value lies in its multi-agent architecture, confidence scoring, and detailed workflow — stripping that to a landing-page style README loses the information users actually need.

✅ What to Keep

• Mermaid flowchart replacing ASCII art
• Collapsible <details> for install alternatives and update/uninstall
• Commands table (at-a-glance reference)
• Bullet-point prerequisites
• Cleaner hero section

❌ Critical Content Losses

1. Agent Descriptions Removed
The original README explained what each of the 3 agents does (MR Analyst, Codebase Reviewer, Security Reviewer) with specific bullet points. This is the core value proposition — without it, users don't understand why 3 agents matter. The new version just says "3 independent agents" with no detail.

2. Confidence Scoring & Cross-Correlation Gone
The scoring table (90-100, 70-89, 50-69, <50) is kept but the cross-correlation mechanism (+15 for 2 agents agreeing, +25 for 3) and false positive reduction logic are removed. These are key differentiators from simple review tools.

3. Full Action Menu Table Deleted
The 9-option action menu table was replaced with a single sentence: "Post summary, post inline findings, open linked issues..." — users need the structured table to understand their options and what each does.

4. OmniFix Details Gutted
The entire 7-phase fix pipeline description, parallel triage explanation, user approval gate details, verification agent, thread resolution, and 25-finding cap are all removed. OmniFix is reduced to one row in a table.

5. OmniCreate Examples Removed
The example invocations (/omnicreate-gitlab --draft -l bug, /omnicreate-gitlab -i 42 --copy-issue-labels) that showed real usage patterns are gone.

6. Security Hardening Section Removed
Details about injection protection (create_subprocess_exec), resilient decoding (errors="replace"), efficient posting, and auto-truncation are important for trust. Users need to know their MR tool is safe.

7. Full MCP Tools Table Lost
The 13-row table with tool names, descriptions, and "Used By" column is replaced with a grouped summary. Users and contributors need the specific tool names.

8. FAQ Entries Dropped

• "What if an agent fails?" (graceful degradation) — important operational question
• "Can I customize the review focus?" (editable prompts) — users need to know this
• Detailed answers replaced with one-liners that lose nuance

Recommendation

Don't merge as-is. The right approach is to keep the structural improvements and restore the substantive content:

1. Keep new hero + mermaid + collapsibles + commands table
2. Add back agent descriptions (MR Analyst / Codebase Reviewer / Security Reviewer)
3. Restore confidence scoring + cross-correlation section
4. Restore the full action menu table
5. Restore OmniFix and OmniCreate detailed sections
6. Restore full MCP tools table
7. Restore missing FAQ entries
8. Restore security hardening details

The README should be comprehensive documentation, not a marketing landing page. Users come here to understand how the tool works — give them that information.

[nexiouscaliver]

The original had detailed descriptions of each agent:

• MR Analyst — checks commits, discussions, MR description quality, scope focus, CI/CD status
• Codebase Reviewer — reads full files (not just diff), traces imports/callers, checks test coverage, evaluates architecture fit
• Security Reviewer — walks OWASP Top 10 (injection, broken access control, crypto failures, auth issues, data exposure, SSRF, etc.)

Replacing all of that with "Review with 3 adversarial agents" loses the core value proposition. Users need to understand what each agent checks to trust the tool.

Suggestion: Keep this tagline but add a "### The Three Agents" section below the mermaid diagram restoring the original agent descriptions.

[nexiouscaliver]

The mermaid diagram is a nice improvement over ASCII art ✅

However, the original had detailed phase labels and showed what each agent specifically reviews. This version is oversimplified.

Suggestion: Expand the mermaid nodes:

flowchart TD
  A["Phase 1: GATHER — fetch MR metadata, diff, comments, commits"] --> B["Phase 2: ISOLATE — create 3 git worktrees on source branch"]
  B --> C1["MR Analyst — commits, discussions, MR hygiene, scope"]
  B --> C2["Codebase Reviewer — code quality, architecture, testing"]
  B --> C3["Security Reviewer — OWASP Top 10, secrets, auth/authz"]
  C1 --> D["Phase 4: CONSOLIDATE — confidence scoring, cross-correlation, dedup"]
  C2 --> D
  C3 --> D
  D --> E["Phase 5: REPORT — structured findings with verdict"]
  E --> F["Phase 6: ACT — user chooses from action menu"]
  F --> G["Phase 7: CLEANUP — remove all worktrees"]

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[nexiouscaliver]

The confidence table is kept (good), but the cross-correlation mechanism is removed:

• 2 agents agree → confidence +15 points
• 3 agents agree → confidence +25 points

Also removed: false positive reduction logic (pre-existing issues via git blame, linter-catchable issues, style preferences, already-resolved discussions).

These are key differentiators. Please restore them below this table.

[nexiouscaliver]

The original had a 9-option action menu table that was critical for users to understand their options:

#	Action	What It Does
1	Full review post	Summary + inline threads on each finding
2	Post summary only	Top-level MR note
3	Post inline findings only	Discussion threads on diff lines
4	Create GitLab issues	Opens issues for Critical/Important findings
5	Approve the MR	Approves the merge request
6	Open in browser	Opens MR in default browser
7	Re-review specific area	Focused agent on one file/concern
8	Verify a concern	Targeted validation check
9	Done	Finish review

Replacing this with one sentence loses important UX documentation. Please restore the table.

[nexiouscaliver]

The MCP tools section lost the full 13-tool table with specific tool names, descriptions, and "Used By" column. Contributors and power users need the specific tool names (e.g., fetch_mr_data, map_diff_lines, post_inline_thread).

The grouped summary is a nice addition but should complement the full table, not replace it.

Suggestion: Keep the capability grouping table AND add back the full tool reference table (perhaps in a collapsible <details> section).

[nexiouscaliver]

The security hardening details were removed:

• Injection protection via create_subprocess_exec (argument list, no shell)
• Resilient decoding with errors="replace"
• Efficient posting (fetch once, reuse for all threads)
• Auto-truncation at 10,000 lines

For a tool that posts review comments on merge requests and executes subprocess commands, these security details build trust. One sentence about "argument-list subprocess execution" doesn't convey the same depth.

Suggestion: Restore the security hardening bullet points.

[nexiouscaliver]

Several important FAQ entries were dropped:

1. "What if an agent fails?" — The graceful degradation explanation (2 agents still complete, partial results shown) is an important operational question users will have.

2. "Can I customize the review focus?" — Users need to know agent prompts are editable. This is a selling point.

3. Detailed answers — The original FAQ had nuanced answers explaining OmniFix's approval gate, OmniCreate's read-only nature, etc. The one-liners lose that nuance.

Suggestion: Restore these FAQ entries. Use collapsible sections if length is a concern.

[nexiouscaliver]

The original had a Platform Support section with a current vs. roadmap table showing status. The roadmap is now just a bullet list without context about what "planned" means or current status.

Suggestion: Restore the two-part format:

• Currently Supported: GitLab (glab) + Claude Code (plugin) — ✅
• Roadmap: GitHub, Cursor, Gemini CLI, etc. — planned

[nexiouscaliver]

The project structure lost all the inline comments explaining what each directory/file is for. The original had annotations like:

skills/omnireview-gitlab/     # Review skill (7-phase review flow)
  references/                 # 3 agent prompts + consolidation guide
tests/                        # Unit tests (116 tests, mocked subprocess)

The bare tree is less useful for contributors trying to understand the codebase.

Suggestion: Restore the inline comments in the tree structure.

[nexiouscaliver]

Missing: The entire OmniFix section was reduced from a detailed 7-phase pipeline description to one row in the commands table. Key details lost:

• Parallel triage with N subagents
• Mandatory user approval gate
• Sequential fixing to prevent conflicts
• Verification agent (fresh-eyes review)
• Thread resolution ("Fixed in {sha}")
• 25-finding cap

And the OmniCreate section lost its example invocations and prerequisites.

Suggestion: Add back dedicated sections for OmniFix and OmniCreate below the review pipeline section. These are full features, not footnotes.