feat: SDK update for version 18.1.0

[ChiragAgg5k]

Summary

This PR contains updates to the SDK for version 18.1.0.

What's Changed

• Added site screenshot terminal preview after push site deployments
• Added standalone binary self-update support in update command
• Added installation method detection for smarter version checks (npm, Homebrew, standalone)
• Updated TypeScript query types to use QueryableFieldValue for improved type inference
• Fixed indentation in deployment error handling blocks

[greptile-apps]

Greptile Summary

This PR adds standalone binary self-update support to the update command, a site-screenshot terminal preview after push site deployments, installation-method detection (npm / Homebrew / standalone), and improves TypeScript query-builder type inference with QueryableFieldValue. The Homebrew formula now carries real SHA256 checksums.

Confidence Score: 4/5

Safe to merge after confirming the release-artifact repo and fixing the misleading npm EEXIST message; previously flagged issues (no download timeout, partial-sudo temp file) remain open.

Two prior-thread P1 findings (no timeout/integrity check on binary download; staged temp file not cleaned on sudo partial failure) are still present in the code. A new P2 logic issue was found (EEXIST treated as already installed instead of a file conflict), and there is an open question about whether appwrite/appwrite-cli is the correct release repo for the self-update binary download.

lib/commands/update.ts — npm EEXIST handling and the GITHUB_RELEASES_URL repo mismatch should be verified before the standalone self-update ships to users.

Important Files Changed

Filename	Overview
lib/commands/update.ts	New standalone binary self-update command with npm/Homebrew/standalone installation detection; minor npm EEXIST error-handling concern and pre-existing download timeout/cleanup issues noted in prior threads remain open.
lib/commands/push.ts	Adds site-screenshot terminal preview after deployments; activation guard, screenshot-timeout logic, and ANSI frame rendering all look correct.
lib/utils.ts	New installation-method detection (npm, Homebrew, standalone) and per-source version-check caching look sound; logic covers major path variants.
Formula/appwrite.rb	Version bump to 18.1.0 with real per-platform SHA256 checksums (not placeholders as in the previous release).
install.sh	Updated GITHUB_LATEST_VERSION to 18.1.0; still downloads from appwrite/sdk-for-cli while constants.ts GITHUB_RELEASES_URL targets appwrite/appwrite-cli.
lib/commands/generators/typescript/databases.ts	Updated inline query callback type to use QueryableFieldValue<T, K> for improved per-field type inference; no logic issues.
lib/commands/generators/typescript/templates/types.ts.hbs	Exports new QueryableFieldValue utility type used to constrain query-builder value arguments to the correct field type.

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