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perf(mermaid): reduce rendering latency — p90=12.9s, p99=42.2s

enhancementNew feature or requestNew feature or request

Status: Open.

#228 In ZenUml/conf-app;

· MrCoder opened on Jun 5, 2026

Investigate sub-threshold paywall trigger: zeptonow Engineerin space (25 macros, 1 trigger)

bugSomething isn't workingSomething isn't working

Status: Open.

#227 In ZenUml/conf-app;

· MrCoder opened on Jun 5, 2026

Create the diagram-backup attachment at macro SAVE time, not only on a qualifying view (the real lever for attachment_not_found)

enhancementNew feature or requestNew feature or request

Status: Open.

#212 In ZenUml/conf-app;

· whimet opened on Jun 3, 2026

upload-attachment fallback wastes a resolver round-trip on the 59% of 403s where the app can't access the page

enhancementNew feature or requestNew feature or request

Status: Open.

#211 In ZenUml/conf-app;

· whimet opened on Jun 3, 2026

Move attachment upload to backend resolver with api.asApp() to fix viewer-triggered 403s

bugSomething isn't workingSomething isn't working

enhancementNew feature or requestNew feature or request

Status: Open.

#166 In ZenUml/conf-app;

· whimet opened on May 29, 2026

Orphan recovery not working: 94% of detected orphans unrecovered in past 24h

bugSomething isn't workingSomething isn't working

Status: Open.

#164 In ZenUml/conf-app;

· MrCoder opened on May 29, 2026

PlantUML macro_viewed down 47% week-over-week (7,247 → 3,877)

questionFurther information is requestedFurther information is requested

Status: Open.

#163 In ZenUml/conf-app;

· MrCoder opened on May 29, 2026

attachment_upload_failed: PNG export failures spiking ~4,000+/day (up from ~300/day)

bugSomething isn't workingSomething isn't working

Status: Open.

#162 In ZenUml/conf-app;

· MrCoder opened on May 29, 2026

viewer_load_failed: Users pasting Mermaid content (with markdown fences) into Sequence macro

bugSomething isn't workingSomething isn't working

Status: Open.

#161 In ZenUml/conf-app;

· MrCoder opened on May 29, 2026

viewer_load_failed: Sequence macros with skinparam/hex-color syntax fail silently in viewer mode

bugSomething isn't workingSomething isn't working

Status: Open.

#160 In ZenUml/conf-app;

· MrCoder opened on May 29, 2026

feat(ux): show permission-aware empty state when CC fetch returns 403

enhancementNew feature or requestNew feature or request

Status: Open.

#152 In ZenUml/conf-app;

· MrCoder opened on May 26, 2026

feat(ux): show empty-state UI when macro fails to load (NULL_DIAGRAM)

enhancementNew feature or requestNew feature or request

Status: Open.

#151 In ZenUml/conf-app;

· MrCoder opened on May 26, 2026