feat(tau): add /sdlc slash command for direct SDLC access

[Jeomon]

This PR adds a /sdlc slash command to Tau that provides direct access to RStack SDLC tools, complementing the existing Tau adapter implementation.

What This Adds

• /sdlc slash command: Direct access to SDLC tools without waiting for model tool calls
• Tab completion: Type /sdlc + Tab to see available subcommands
• Flexible input:
  • Simple: /sdlc start "add auth"
  • JSON: /sdlc start {"goal": "add auth", "mode": "interactive"}
• Error handling: Clear feedback for invalid commands or parameters

Implementation Details

The slash command mirrors Tau's existing peer extension pattern:

• Subcommand mapping: start → sdlc_start, plan → sdlc_plan, etc.
• Primary field detection for simple text arguments
• Full JSON param support for complex operations
• Integration with existing bridge infrastructure

Files Changed

• src/integrations/tau/rstack_sdlc.py: Core slash command implementation (+87 lines)
• docs/integrations/tau.md: Documentation update (+8 lines)
• bin/*: Made scripts executable (mode changes)

Testing

The implementation follows Tau's established slash command pattern and has been validated to work with the current framework. It builds on the existing Tau adapter in feat/tau-adapter-243.

Related

Builds on #243 (Tau adapter implementation)

Summary by CodeRabbit

• New Features

  • Added a new /sdlc slash command for Tau users to run SDLC-related actions from the chat interface.
  • Enabled tab-completion for common subcommands like start, plan, status, approve, and more.
  • Supports both simple text input and structured JSON for more advanced commands.

• Documentation

  • Updated integration docs to describe the new command format and available subcommands.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

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Run ID: 5e5ccd42-35fb-4349-b4c2-d13e01c03c35

📥 Commits

Reviewing files that changed from the base of the PR and between 6d414c3 and 0ce1649.

📒 Files selected for processing (7)

• bin/rstack-agents.js
• bin/rstack-bridge.ts
• bin/rstack-business.js
• bin/rstack-observer.js
• bin/rstack-operator-bridge.ts
• docs/integrations/tau.md
• src/integrations/tau/rstack_sdlc.py

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📝 Walkthrough

Walkthrough

This PR adds a new /sdlc slash command to the Tau adapter, mirroring Tau's peer extension pattern. It introduces subcommand-to-tool mapping, tab-completion, JSON/free-text argument parsing, and bridge invocation logic, along with corresponding documentation.

Changes

Tau /sdlc Slash Command

Layer / File(s)	Summary
Slash command plumbing src/integrations/tau/rstack_sdlc.py	Adds _emit output helper (UI notifier or stdout), _SUBCOMMANDS mapping derived from _TOOLS, _PRIMARY_FIELD for free-text argument support, and _sdlc_argument_completions for subcommand tab-completion.
Command handler and registration src/integrations/tau/rstack_sdlc.py, docs/integrations/tau.md	Implements the async /sdlc handler that resolves subcommands to sdlc_* tools, parses JSON or single free-text params, derives cwd, invokes _run_bridge, emits success/error output, registers the command with completion and hints, and documents the interface.

Estimated code review effort: 2 (Simple) | ~12 minutes

Possibly related issues

• feat: generic framework bridge + Tau adapter + adapter conformance contract #243: Adds the /sdlc command support to the Tau adapter described in the issue, touching the same adapter file and docs.

Poem

A rabbit hops to Tau's own door,
Types "/sdlc" and asks for more,
JSON or text, it parses with glee,
Bridging tools so swift and free,
Hop, hop, hooray — commands galore! 🐇✨

🚥 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 clearly matches the main change: adding a Tau /sdlc slash command for direct SDLC access.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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