feat(site): support PUBLIC_API_BASE_URL for Vercel develop previews

[Seungpyo1007]

Refs #1

develop을 Vercel에 연결해 프리뷰 배포를 할 때, develop 자체의 덤프를 새로 만들지 않고 main의 실제 운영 데이터를 그대로 읽어서 "코드는 develop, 데이터는 main"인 프리뷰를 띄울 수 있게 하는 최소 변경.

변경

• site/astro.config.mjs: Vercel(process.env.VERCEL)에서는 base: '/', 그 외(GitHub Pages)는 기존대로 /TechAPI.
• site/src/scripts/techapi.js, site/src/pages/docs.astro, site/src/pages/index.astro: 데이터 fetch/링크 URL이 PUBLIC_API_BASE_URL 환경변수를 우선 사용(없으면 기존 BASE_URL 그대로) — 사이트 내비게이션/에셋 경로는 그대로 base 유지.

검증

• 기본 빌드(npm run build, 환경변수 없음): 기존과 동일하게 /TechAPI/... 경로 생성 확인.
• VERCEL=1 PUBLIC_API_BASE_URL=https://gettechapi.github.io/TechAPI/ npx astro build: nav/에셋은 /(루트) 경로, 데이터 fetch·OpenAPI 문서 URL·엔드포인트 링크는 모두 https://gettechapi.github.io/TechAPI/...로 정확히 렌더링됨을 빌드 산출물에서 직접 확인.

남은 것 (계정 필요, 별도)

Vercel 프로젝트 생성·GitHub 연결·Root Directory를 site로 지정·Preview 환경변수에 PUBLIC_API_BASE_URL=https://gettechapi.github.io/TechAPI/ 추가는 Vercel 계정 소유자가 직접 해야 함.

Closes #19

[TechEngineBot]

TechEngine change review: PASS

• PR: feat(site): support PUBLIC_API_BASE_URL for Vercel develop previews #196
• Ref: feat/vercel-preview-api-base
• Commit: 47b9f96
• Requested by: @Seungpyo1007
• Run: https://github.com/GetTechAPI/TechEngine/actions/runs/35684420397

Check	Result
python -m app.validate	PASS
python integrity_check.py TechAPI/data --strict	PASS
cd TechAPI/site && npm ci && npm run build	PASS

Changed data

Category	Added	Modified	Deleted	Added verified	Added unverified	Added Kaggle-sourced
brand	0	0	0	0	0	0
soc	0	0	0	0	0	0
smartphone	0	0	0	0	0	0
tablet	0	0	0	0	0	0
watch	0	0	0	0	0	0
pda	0	0	0	0	0	0
gpu	0	0	0	0	0	0
cpu	0	0	0	0	0	0

Changed record examples

• No data file changes detected.

Heuristic review

• Heuristic warnings: none found.

Changed site

Area	Added	Modified	Deleted
homepage/site	0	4	0

Modified site files

• site/astro.config.mjs
• site/src/pages/docs.astro
• site/src/pages/index.astro
• site/src/scripts/techapi.js

[TechEngineBot]

TechEngine validation stats: PASS

• PR: feat(site): support PUBLIC_API_BASE_URL for Vercel develop previews #196
• Ref: feat/vercel-preview-api-base
• Commit: 47b9f96
• Run: https://github.com/GetTechAPI/TechEngine/actions/runs/35684420397

Data summary

Category	Total	Verified	Unverified	Missing verified	Tracked	Verified % of tracked
brand	207	24	183	0	207	11.6%
soc	2104	146	1958	0	2104	6.9%
smartphone	93396	17384	76012	0	93396	18.6%
tablet	3455	218	3237	0	3455	6.3%
watch	433	18	415	0	433	4.2%
pda	140	66	74	0	140	47.1%
gpu	2030	809	1221	0	2030	39.9%
cpu	3993	2724	1269	0	3993	68.2%
all	105758	21389	84369	0	105758	20.2%

Warning

Tracked verified coverage is below 50% for watch 4.2% (18/433), tablet 6.3% (218/3455), soc 6.9% (146/2104), brand 11.6% (24/207), smartphone 18.6% (17384/93396), all 20.2% (21389/105758), gpu 39.9% (809/2030), pda 47.1% (66/140).
Tracked coverage excludes records missing the verified field; see the Missing verified column for those records.
This does not fail validation. Keep imported records verified: false until manual audit, but treat this as follow-up verification work before relying on the affected categories as curated data.

Validation notes

• Full advisory outlier listings are suppressed on successful runs because they are dataset-wide and mostly stable between PRs.
• Failure runs still include a detailed log excerpt for debugging.

Key output:

## app.validate
## integrity_check.py --strict
loaded CPU=3993 GPU=2030
✅ integrity gate: no hard anomalies.

Integrity section	Flagged lines
structural	0
CPU name/tier consistency (desktop mainstream only)	0
CPU single>multi (cinebench/geekbench — should be multi>=single)	0
CPU era-vs-score outliers	8
CPU cross-source ratio outliers (possible wrong-variant)	155
GPU cross-source ratio outliers + sanity	18

Homepage build:

03:53:21 [build] 2 page(s) built in 74.32s
03:53:21 [build] Complete!