ECHO-712 Enhance verification artifact generation with project language support

[ussaama]

• Added project language extraction to the verification artifact generation process.
• Updated the prompt templates to include language context, ensuring responses are generated in the specified project language.
• Improved clarity in the guidelines for generating and revising artifacts to emphasize language consistency.

This change aims to enhance the user experience by ensuring that all generated content aligns with the project's language requirements.

Summary by CodeRabbit

• Improvements
  • Artifact generation now retrieves and applies project language settings, ensuring all generated artifacts comply with the specified project language.
  • Artifact revision operations now incorporate project language information, maintaining language consistency when updating existing artifacts.
  • Language preferences are now explicitly enforced throughout artifact generation and revision workflows.

[linear]

ECHO-712 Verify response sometimes ignores the language of the conversation and replies in English

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: e1c0e2bc-38b3-40e1-9d27-816e9490aa7a

📥 Commits

Reviewing files that changed from the base of the PR and between 5d68d05 and af71a1f.

📒 Files selected for processing (3)

• echo/server/dembrane/api/verify.py
• echo/server/prompt_templates/generate_artifact.en.jinja
• echo/server/prompt_templates/revise_artifact.en.jinja

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Walkthrough

Project language is now inferred from conversation metadata and passed as a parameter to artifact generation and revision prompts, replacing previous language-matching guidelines with explicit language enforcement directives.

Changes

Cohort / File(s)	Summary
Language Parameter Integration echo/server/dembrane/api/verify.py	Extracts project language from conversation data and injects it into system prompts for both artifact generation and revision workflows.
Prompt Template Updates echo/server/prompt_templates/generate_artifact.en.jinja, echo/server/prompt_templates/revise_artifact.en.jinja	Adds explicit language enforcement directives and project language metadata; removes previous transcript language matching guideline in generate template and refines tone preservation guidance in revise template.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Suggested labels

improvement

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately reflects the main change: adding project language support to verification artifact generation, which is the primary focus of all file modifications.

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✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch verify-topic-response-fix

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