feat: OpenAPIのバージョンを1.0.0に上げる

[h-takeyeah]

#251 の途中で必要になった作業をやるブランチ．これをdevelopにマージしてからそれをrelease/v1.4.0にさらにマージする．

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[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no bugs or issues to report.

[devin-ai-integration]

Devin Review found 2 new potential issues.

[devin-ai-integration]

🚩 Pre-existing OpenAPI path parameter name mismatch carried into v1.d.ts

The OpenAPI spec defines the path as /scores/{user_id}/current-rank (template variable user_id) but the parameter is declared with name: user-id (typing-server/openapi.yaml:200). Per the OpenAPI 3.0 spec, path parameter names MUST match the template expression. This mismatch is pre-existing (also present in v0.d.ts:199) and results in the generated types having "user-id" as the path parameter key while the path key uses {user_id}. This could cause issues with openapi-fetch or other code generators that try to correlate path parameters with path template variables.

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[h-takeyeah]

v0をv1に置換する

cd typing-app
rg v0 src | grep -o '^src.*' | cut -d: -f1 | xargs -I {} sed -i 's/v0/v1/' {};

[h-takeyeah]

した