Support direct in-chat planning

[chrisbanes]

Summary

• make /to-plan conduct its own in-chat interview for inline tasks or prior conversation context
• continue from explicit summary confirmation to the existing scratch-plan handoff without mode changes or reinvocation
• preserve GitHub issue mode, GitHub-only --auto, and all existing GitHub gates
• prevent an inline task from accidentally reusing an unrelated earlier confirmed summary

Why

Conversation planning previously required a completed grill-me session and a second /to-plan invocation. Inline task precedence also needed an explicit source-selection rule to avoid treating a prior task's confirmed summary as the current task.

Validation

• python3 /Users/chris/.codex/skills/.system/skill-creator/scripts/quick_validate.py skills/to-plan
• npm run lint
• git diff --check origin/main...HEAD

[greptile-apps]

Greptile Summary

The PR enables /to-plan to interview users and continue planning within the same invocation while preserving the existing GitHub workflow.

• Defines precedence and clarification rules for inline tasks and prior confirmed summaries.
• Continues from confirmed conversation summaries into scratch-plan generation without reinvocation.
• Updates routing documentation and OpenAI metadata to describe in-chat planning.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains.

Important Files Changed

Filename	Overview
README.md	Updates the workflow overview to advertise in-chat tasks as supported planning inputs.
skills/to-plan/SKILL.md	Adds direct interview and same-invocation planning behavior, with explicit clarification when multiple prior summaries could apply.
skills/to-plan/agents/openai.yaml	Updates the default prompt to describe in-chat task support.
skills/using-chrisbanes-skills/SKILL.md	Updates skill routing guidance so in-chat planning requests select to-plan.

_{Reviews (2): Last reviewed commit: "Clarify in-chat plan source selection" | Re-trigger Greptile}

[chatgpt-codex-connector]

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