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feat: add coordinate input guide to custom coordinates UI

fix: handle coordinate swapping and fix 'Shell empty' geometry error

feat: allow generating poster with no text by leaving fields blank

feat: improve custom coordinate text layout (two-line title/subtitle)

big enhancement

bug remained

taiwan cities added

fix

province added

fix

language display fixed

fix

fix 10

fix 9

fix 8

fix 7

fix 5

fix 3

fix 2

fix

Final stabilization: pin client/pydantic and simplify launch

Stabilize environment: pin Gradio 4.44.1 and remove ssr argument

Disable experimental SSR to fix ASGI exception

fix theme error

full China city updated

feat: initial clean project structure with Git LFS