## Summary
- The local resolver's path-shape match was claiming any specifier containing `/` as a local directory, so `pnpm add bit:@teambit/bit` (with `bit` configured under `namedRegistries`) installed a bogus link to `bit:@teambit/bit/` instead of resolving from the configured registry.
- Split the local resolver into two exports: `resolveFromLocalScheme` (handles `file:`/`link:`/`workspace:`/`path:`) and `resolveFromLocalPath` (path-shape match — tarball extension, `path.sep`, `isFilespec`). `resolveFromLocal` is removed.
- Re-order the default-resolver chain so the scheme pass runs *before* `resolveFromNamedRegistry` and the path pass runs *after*. Explicit local protocols still win even when a user configures a colliding `namedRegistries` alias; named-registry aliases reach their configured URL.
Repro before the fix:
```
$ cat pnpm-workspace.yaml
namedRegistries:
bit: https://node-registry.bit.cloud/
$ pnpm add bit:@teambit/bit
[WARN] Installing a dependency from a non-existent directory: /private/tmp/.../bit:@teambit/bit
dependencies:
+ bit 0.0.0 <- bit:@teambit/bit
```
After the fix, the same command resolves `@teambit/bit 1.13.173` from `https://node-registry.bit.cloud/` and writes `"@teambit/bit": "bit:^1.13.173"` to `package.json`.
