docs(FR-2603): add health check SVG diagrams for all 4 languages, replace ASCII art

[agatha197]

Resolves part of FR-2603

Summary

• Recover and add health check SVG diagrams (health_check_app_proxy.svg, health_check_state_machine.svg) for all 4 languages (en/ko/ja/th)
• Replace ASCII art flow diagrams in model_serving.md with the two SVG images across all languages:
  • ① AppProxy: Traffic routing control diagram (960×500)
  • ② Manager: Health state machine diagram (900×800)
• KO keeps original Korean-labeled SVGs; EN/JA/TH use translated versions

[Copilot]

Pull request overview

This PR updates the Backend.AI WebUI user manual (all 4 languages) to replace the health-check ASCII flow diagrams in model_serving.md with new SVG-based diagrams for AppProxy traffic routing and the Manager health state machine.

Changes:

• Replace the in-page ASCII art health-check diagrams with two SVG images in model_serving.md (en/ko/ja/th).
• Add the corresponding health_check_app_proxy.svg and health_check_state_machine.svg assets under each language’s images/ directory.

Reviewed changes

Copilot reviewed 4 out of 12 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
packages/backend.ai-webui-docs/src/en/model_serving/model_serving.md	Replaces ASCII diagram with SVG image references (needs path fix).
packages/backend.ai-webui-docs/src/en/images/health_check_app_proxy.svg	Adds English AppProxy routing diagram SVG.
packages/backend.ai-webui-docs/src/en/images/health_check_state_machine.svg	Adds English health state machine diagram SVG.
packages/backend.ai-webui-docs/src/ko/model_serving/model_serving.md	Replaces ASCII diagram with SVG image references (needs path fix).
packages/backend.ai-webui-docs/src/ko/images/health_check_app_proxy.svg	Adds AppProxy routing diagram SVG (currently contains English labels).
packages/backend.ai-webui-docs/src/ko/images/health_check_state_machine.svg	Adds Korean health state machine diagram SVG.
packages/backend.ai-webui-docs/src/ja/model_serving/model_serving.md	Replaces ASCII diagram with SVG image references (needs path fix).
packages/backend.ai-webui-docs/src/ja/images/health_check_app_proxy.svg	Adds Japanese AppProxy routing diagram SVG.
packages/backend.ai-webui-docs/src/ja/images/health_check_state_machine.svg	Adds Japanese health state machine diagram SVG.
packages/backend.ai-webui-docs/src/th/model_serving/model_serving.md	Replaces ASCII diagram with SVG image references (needs path fix).
packages/backend.ai-webui-docs/src/th/images/health_check_app_proxy.svg	Adds Thai AppProxy routing diagram SVG.
packages/backend.ai-webui-docs/src/th/images/health_check_state_machine.svg	Adds Thai health state machine diagram SVG.

[agatha197]

• docs(FR-2624): translate remaining English headings in ja and th docs #6846
• docs(FR-2623): reorganize admin model serving docs and remove clone references #6844
• docs(FR-2603): add health check SVG diagrams for all 4 languages, replace ASCII art #6839 👈 (View in Graphite)
• docs(FR-2603): update auto scaling V2 screenshots, fix bold rendering, correct health check initial status, revise condition/cooldown terminology #6807
• docs(FR-2603): apply 26.4 model serving doc feedback — service launcher fields, vLLM/SGLang runtime params #6804
• docs(FR-2571): address 26.4 docs feedback — remove legacy model serving sections and apply KO wording fixes #6778
• docs: add endpoint detail page revision info, alert banners, and edit behavior docs #6767
• docs(FR-2571): document Model Store V2 and Auto Scaling Rules V2 (26.4.0+) #6760
• docs(FR-2571): address PR #6631 review feedback (excl. model store) #6708
• docs(FR-2571): add Allowed Client IPs field to My Account dialog documentation #6631 : 1 other dependent PR (#6633 )
• docs(FR-2570): recapture login screenshots with TOTP OTP screen in light mode #6630
• docs(FR-2569): recapture start_announcement_banner in light mode #6625
• docs(FR-2543): update model serving documentation with new features #6611
• docs(FR-2542): update date selection UI in statistics documentation #6580
• docs(FR-2541): fix permission label formatting in vfolder documentation #6579
• docs(FR-2540): fix session type filters in session_page documentation #6578
• docs(FR-2539): update copy button location in my_environments documentation #6577
• docs(FR-2538): fix button labels in import_run documentation #6576
• docs(FR-2537): add board customization and auto-refresh to dashboard docs #6575
• main

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Merge activity

• Apr 22, 3:33 AM UTC: ironAiken2 added this pull request to the Graphite merge queue.
• Apr 22, 3:44 AM UTC: Merged by the Graphite merge queue.