Document next implementation stage

[konard]

Summary

• Document stage 4 completion status in docs/Реализация.md
• Replace the stale recommended steps with a concrete backend pipeline plan for the next stage
• Preserve the existing route contract expectations for recommended next steps

Tests

• npm test

Fixes #24

[konard]

Working session summary

Implemented and pushed the issue work to PR 25: #25

Updated docs/Реализация.md to document stage 4 completion and replace the stale next-step list with a concrete preferred backend pipeline plan for the next implementation stage.

Verification:

• npm test passes
• Working tree is clean
• PR 25 is updated and marked ready for review
• No GitHub Actions runs are currently listed for this branch

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This summary was automatically extracted from the AI working session output.

[konard]

🤖 Solution Draft Log

This log file contains the complete execution trace of the AI solution draft process.

💰 Cost estimation:

• Model: GPT-5.5
• Provider: OpenAI
• Public pricing estimate: $2.137886

📊 Context and tokens usage:

• 109.4K / 1.1M (10%) input tokens, 5.1K / 128K (4%) output tokens

Total: (109.4K + 813.7K cached) input tokens, 5.1K output tokens, $2.137886 cost

🤖 Models used:

• Tool: OpenAI Codex
• Requested: gpt-5.5
• Model: GPT-5.5 (gpt-5.5)

📎 Log file uploaded as Gist (8680KB)

• View complete solution draft log

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Now working session is ended, feel free to review and add any feedback on the solution draft.