Remove unused OPENCLI_SKIP_FETCH env var (#987)

The adapter sync already has version caching (skips if same version)
and makes no network requests, so this opt-out flag adds no value.

Author: jackwener

README.md

@@ -154,7 +154,6 @@ OpenCLI is not only for websites. It can also:
 | `OPENCLI_CDP_TARGET` | — | Filter CDP targets by URL substring (e.g. `detail.1688.com`) |
 | `OPENCLI_VERBOSE` | `false` | Enable verbose logging (`-v` flag also works) |
 | `OPENCLI_DIAGNOSTIC` | `false` | Set to `1` to capture structured diagnostic context on failures |
-| `OPENCLI_SKIP_FETCH` | — | Set to `1` to skip adapter sync during `npm install -g` |
 | `OUTPUT` | — | Override output format: `json`, `yaml`, or `table` |
 | `DEBUG` | — | Set to `opencli` for internal debug logging |
 | `DEBUG_SNAPSHOT` | — | Set to `1` for DOM snapshot debug output |

README.zh-CN.md

@@ -142,7 +142,6 @@ OpenCLI 不只是网站 CLI，还可以：
 | `OPENCLI_CDP_TARGET` | — | 按 URL 子串过滤 CDP target（如 `detail.1688.com`） |
 | `OPENCLI_VERBOSE` | `false` | 启用详细日志（`-v` 也可以） |
 | `OPENCLI_DIAGNOSTIC` | `false` | 设为 `1` 时在失败时输出结构化诊断上下文 |
-| `OPENCLI_SKIP_FETCH` | — | 设为 `1` 跳过 `npm install -g` 时的适配器同步 |
 | `OUTPUT` | — | 覆盖输出格式：`json`、`yaml` 或 `table` |
 | `DEBUG` | — | 设为 `opencli` 开启内部调试日志 |
 | `DEBUG_SNAPSHOT` | — | 设为 `1` 输出 DOM 快照调试信息 |

scripts/fetch-adapters.js

@@ -281,9 +281,6 @@ export function fetchAdapters() {
 function main() {
   // Skip in CI
   if (process.env.CI || process.env.CONTINUOUS_INTEGRATION) return;
-  // Allow opt-out
-  if (process.env.OPENCLI_SKIP_FETCH === '1') return;
-
   // Only run on global install, explicit trigger, or first-run fallback
   const isGlobal = process.env.npm_config_global === 'true';
   const isExplicit = process.env.OPENCLI_FETCH === '1';