feat: Add context engineering collection — agents, prompts & instruct…

[vfaraji89]

…ions for better context management

Add a collection of tools for maximizing GitHub Copilot effectiveness through better context management:

• instructions/context-engineering.instructions.md: Guidelines for structuring code so Copilot understands it better
• agents/context-architect.agent.md: Plans multi-file changes by mapping dependencies first
• prompts/context-map.prompt.md: Generates a map of affected files before changes
• prompts/what-context-needed.prompt.md: Asks Copilot what files it needs to answer well
• prompts/refactor-plan.prompt.md: Creates phased refactor plans with verification steps
• collections/context-engineering.collection.yml: Bundles everything together

Pull Request Checklist

• I have read and followed the CONTRIBUTING.md guidelines.
• My contribution adds a new instruction, prompt, agent, or skill file in the correct directory.
• The file follows the required naming convention.
• The content is clearly structured and follows the example format.
• I have tested my instructions, prompt, agent, or skill with GitHub Copilot.
• I have run npm start and verified that README.md is up to date.

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Description

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Type of Contribution

• New instruction file.
• New prompt file.
• New agent file.
• New collection file.
• New skill file.
• Update to existing instruction, prompt, agent, collection or skill.
• Other (please specify):

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Additional Notes

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By submitting this pull request, I confirm that my contribution abides by the Code of Conduct and will be licensed under the MIT License.

[Copilot]

Pull request overview

Adds a new “Context Engineering” collection to the awesome-copilot catalog, bundling an instruction set, a planning agent, and supporting prompts focused on improving Copilot results via better context management.

Changes:

• Added three new prompts for context discovery/mapping and refactor planning.
• Added a new “Context Architect” agent and a “Context Engineering” instruction file.
• Added a new collection manifest + collection page, and updated docs indexes to include the new assets.

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
prompts/what-context-needed.prompt.md	New prompt to elicit required file/context inputs before answering.
prompts/refactor-plan.prompt.md	New prompt to produce phased, multi-file refactor plans with verification/rollback steps.
prompts/context-map.prompt.md	New prompt to map impacted files/dependencies/tests before implementing changes.
instructions/context-engineering.instructions.md	New repo-wide guidance on structuring code/projects for better Copilot context.
agents/context-architect.agent.md	New agent definition focused on dependency-aware planning before edits.
collections/context-engineering.collection.yml	New collection manifest bundling the instruction, agent, and prompts.
collections/context-engineering.md	New rendered collection page with items table and usage guidance.
docs/README.prompts.md	Adds the new prompts to the prompts index.
docs/README.instructions.md	Adds the new instruction to the instructions index.
docs/README.agents.md	Adds the new agent to the agents index.
docs/README.collections.md	Adds the new collection to the collections index.