diff --git a/.beads/issues.jsonl b/.beads/issues.jsonl
index 50da6d0..c1dadf8 100644
--- a/.beads/issues.jsonl
+++ b/.beads/issues.jsonl
@@ -12,6 +12,7 @@
 {"id":"zed-css-variables-foa","title":"Add framework examples and commit artifacts","description":"Add Vue/Svelte/Astro/Ripple examples in example/ and commit existing AGENTS.md + extension.wasm updates","status":"closed","priority":2,"issue_type":"task","created_at":"2026-01-03T18:49:36.851219+02:00","created_by":"applesucks","updated_at":"2026-01-03T18:50:32.419325+02:00","closed_at":"2026-01-03T18:50:32.419325+02:00","close_reason":"Added Vue/Svelte/Astro/Ripple examples and committed existing artifacts"}
 {"id":"zed-css-variables-j5t","title":"Default ignore globs should include /** to avoid scanning vendor dirs","status":"closed","priority":2,"issue_type":"bug","created_at":"2026-01-06T18:48:54.159425+02:00","created_by":"applesucks","updated_at":"2026-01-06T22:00:54.426342+02:00","closed_at":"2026-01-06T22:00:54.426342+02:00","close_reason":"Done"}
 {"id":"zed-css-variables-qye","title":"Investigate whether completion UI can be styled with CSS","description":"Determine if Zed completion window supports CSS styling or is limited to theme settings.","status":"closed","priority":3,"issue_type":"task","assignee":"applesucks","created_at":"2026-01-03T18:39:02.500207+02:00","created_by":"applesucks","updated_at":"2026-01-03T18:39:34.119615+02:00","closed_at":"2026-01-03T18:39:34.119615+02:00","close_reason":"Zed completion UI is not CSS-styleable; only theme + font settings apply."}
+{"id":"zed-css-variables-ult","title":"Allow local Rust LSP binary override","description":"Add a dev override to point the extension at a local css-variable-lsp binary for testing, and rebuild extension.wasm.","status":"closed","priority":2,"issue_type":"task","owner":"putaluta@tuta.io","created_at":"2026-02-01T18:42:44.245131+02:00","created_by":"lmn451","updated_at":"2026-02-01T20:02:53.815069+02:00","closed_at":"2026-02-01T20:02:53.815069+02:00","close_reason":"Added jsLspPath override for local TS LSP"}
 {"id":"zed-css-variables-vdr","title":"Add command-line flags to control color box display","description":"Implement --no-color-preview and --color-only-variables flags (and CSS_LSP_COLOR_ONLY_VARIABLES env var) to control when color decorations are shown. This allows users to show color boxes only on variable definitions, not on usages.","status":"closed","priority":2,"issue_type":"feature","created_at":"2026-01-01T14:20:42.664382+02:00","updated_at":"2026-01-01T14:22:40.047257+02:00","closed_at":"2026-01-01T14:22:40.047257+02:00"}
 {"id":"zed-css-variables-vh5","title":"Improve CSS variable completion window size","status":"closed","priority":2,"issue_type":"task","assignee":"applesucks","created_at":"2026-01-03T18:06:24.387975+02:00","created_by":"applesucks","updated_at":"2026-01-03T18:35:59.083014+02:00","closed_at":"2026-01-03T18:35:59.083014+02:00","close_reason":"No Zed setting for completion popup size; only UI/buffer font size affects it."}
 {"id":"zed-css-variables-xgl","title":"Update README to current state","status":"closed","priority":2,"issue_type":"task","created_at":"2026-01-02T18:52:58.240381+02:00","created_by":"applesucks","updated_at":"2026-01-02T18:56:28.390544+02:00","closed_at":"2026-01-02T18:56:28.390544+02:00","close_reason":"Updated README to reflect current Zed extension behavior and pinned LSP version"}
diff --git a/.zed/settings.json b/.zed/settings.json
new file mode 100644
index 0000000..e138c21
--- /dev/null
+++ b/.zed/settings.json
@@ -0,0 +1,5 @@
+{
+  "lsp": {
+    "css-variables": {}
+  }
+}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2fa8c8..f856085 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,11 +2,21 @@
 
 All notable changes to this project will be documented in this file.
 
+## 0.1.0
+
+- **Major**: Extension now automatically downloads the latest `css-variable-lsp` release
+- Changed `CSS_VARIABLES_RELEASE_TAG` from pinned version (v0.1.6) to "latest"
+- GitHub's `/releases/latest/download/` endpoint automatically resolves to the newest release
+- Extension fetches the most recent LSP version on each fresh install without extension updates
+- Simplified implementation using hardcoded "latest" tag for reliability
+- Updated extension version to 0.1.0
+
 ## 0.0.9
 
+- Bump `css-variable-lsp` to v0.1.6
+- Add Linux/Windows ARM64 release asset support
 - Add undefinedVarFallback setting for var() fallback diagnostics
-- Document new undefined var fallback flag/env and default
-- Rebuild extension.wasm
+- Add npm fallback when Rust binary download fails
 
 ## 0.0.8
 
@@ -16,7 +26,8 @@ All notable changes to this project will be documented in this file.
 
 ## 0.0.7
 
-- Updated to `css-variable-lsp` v1.0.12
+- Pinned `css-variable-lsp` to v0.1.5
+- Download prebuilt release assets instead of npm install
 
 ## 0.0.6
 
diff --git a/Cargo.lock b/Cargo.lock
index 3a1148f..b604fc5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,74 +2,397 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "adler2"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
+
 [[package]]
 name = "anyhow"
 version = "1.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
 
+[[package]]
+name = "auditable-serde"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c7bf8143dfc3c0258df908843e169b5cc5fcf76c7718bd66135ef4a9cd558c5"
+dependencies = [
+ "semver",
+ "serde",
+ "serde_json",
+ "topological-sort",
+]
+
 [[package]]
 name = "bitflags"
 version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
 
+[[package]]
+name = "bumpalo"
+version = "3.19.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510"
+
+[[package]]
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+checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9481c1c90cbf2ac953f07c8d4a58aa3945c425b7185c9154d67a65e4230da511"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
 
+[[package]]
+name = "errno"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f98844151eee8917efc50bd9e8318cb963ae8b297431495d3f758616ea5c57db"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "libredox",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b375d6465b98090a5f25b1c7703f3859783755aa9a80433b36e0379a3ec2f369"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+ "zlib-rs",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+
+[[package]]
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+checksum = "cb4cb245038516f5f85277875cdaa4f7d2c9a0fa0468de06ed190163b1581fcf"
+dependencies = [
+ "percent-encoding",
+]
+
+[[package]]
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+checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
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+dependencies = [
+ "futures-core",
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+
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+
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+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
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+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
+dependencies = [
+ "foldhash",
+]
+
 [[package]]
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-version = "0.16.0"
+version = "0.16.1"
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-checksum = "5419bdc4f6a9207fbeba6d11b604d481addf78ecd10c11ad51e76c2f6482748d"
+checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 
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+version = "0.5.0"
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+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
+[[package]]
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+checksum = "4c6b649701667bbe825c3b7e6388cb521c23d88644678e83c0c4d0a621a34b43"
 dependencies = [
- "unicode-segmentation",
+ "displaydoc",
+ "potential_utf",
+ "yoke",
+ "zerofrom",
+ "zerovec",
+]
+
+[[package]]
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+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edba7861004dd3714265b4db54a3c390e880ab658fec5f7db895fae2046b5bb6"
+dependencies = [
+ "displaydoc",
+ "litemap",
+ "tinystr",
+ "writeable",
+ "zerovec",
+]
+
+[[package]]
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+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f6c8828b67bf8908d82127b2054ea1b4427ff0230ee9141c54251934ab1b599"
+dependencies = [
+ "icu_collections",
+ "icu_normalizer_data",
+ "icu_properties",
+ "icu_provider",
+ "smallvec",
+ "zerovec",
+]
+
+[[package]]
+name = "icu_normalizer_data"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7aedcccd01fc5fe81e6b489c15b247b8b0690feb23304303a9e560f37efc560a"
+
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+checksum = "020bfc02fe870ec3a66d93e677ccca0562506e5872c650f893269e08615d74ec"
+dependencies = [
+ "icu_collections",
+ "icu_locale_core",
+ "icu_properties_data",
+ "icu_provider",
+ "zerotrie",
+ "zerovec",
+]
+
+[[package]]
+name = "icu_properties_data"
+version = "2.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "616c294cf8d725c6afcd8f55abc17c56464ef6211f9ed59cccffe534129c77af"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85962cf0ce02e1e0a629cc34e7ca3e373ce20dda4c4d7294bbd0bf1fdb59e614"
+dependencies = [
+ "displaydoc",
+ "icu_locale_core",
+ "writeable",
+ "yoke",
+ "zerofrom",
+ "zerotrie",
+ "zerovec",
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 [[package]]
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-version = "2.2.1"
+version = "2.3.0"
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-checksum = "25a2bc672d1148e28034f176e01fffebb08b35768468cc954630da77a1449005"
+checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b0875f23caa03898994f6ddc501886a45c7d3d62d04d2d90788d47be1b1e4de"
+dependencies = [
+ "idna_adapter",
+ "smallvec",
+ "utf8_iter",
+]
+
+[[package]]
+name = "idna_adapter"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acae9609540aa318d1bc588455225fb2085b9ed0c4f6bd0d9d5bcd86f1a0344"
+dependencies = [
+ "icu_normalizer",
+ "icu_properties",
+]
 
 [[package]]
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-version = "2.12.0"
+version = "2.13.0"
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-checksum = "6717a8d2a5a929a1a2eb43a12812498ed141a0bcfb7e8f7844fbdbe4303bba9f"
+checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.16.1",
  "serde",
  "serde_core",
 ]
 
 [[package]]
 name = "itoa"
-version = "1.0.15"
+version = "1.0.17"
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-checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
+checksum = "92ecc6618181def0457392ccd0ee51198e065e016d1d527a7ac1b6dc7c1f09d2"
 
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-name = "leb128"
-version = "0.2.5"
+name = "leb128fmt"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
+
+[[package]]
+name = "libc"
+version = "0.2.180"
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-checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
+checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
+
+[[package]]
+name = "libredox"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d0b95e02c851351f877147b7deea7b1afb1df71b63aa5f8270716e0c5720616"
+dependencies = [
+ "bitflags",
+ "libc",
+ "redox_syscall",
+]
+
+[[package]]
+name = "linux-raw-sys"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df1d3c3b53da64cf5760482273a98e575c651a67eec7f77df96b5b642de8f039"
+
+[[package]]
+name = "litemap"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6373607a59f0be73a39b6fe456b8192fcc3585f602af20751600e974dd455e77"
 
 [[package]]
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-version = "0.4.28"
+version = "0.4.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34080505efa8e45a4b816c349525ebe327ceaa8559756f0356cba97ef3bf7432"
+checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
 [[package]]
 name = "memchr"
@@ -77,35 +400,108 @@ version = "2.7.6"
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 checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.8.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
+dependencies = [
+ "adler2",
+ "simd-adler32",
+]
+
+[[package]]
+name = "once_cell"
+version = "1.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+
+[[package]]
+name = "percent-encoding"
+version = "2.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b4f627cb1b25917193a259e49bdad08f671f8d9708acfd5fe0a8c1455d87220"
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
+[[package]]
+name = "potential_utf"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b73949432f5e2a09657003c25bca5e19a0e9c84f8058ca374f49e0ebe605af77"
+dependencies = [
+ "zerovec",
+]
+
+[[package]]
+name = "prettyplease"
+version = "0.2.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
+dependencies = [
+ "proc-macro2",
+ "syn",
+]
+
 [[package]]
 name = "proc-macro2"
-version = "1.0.103"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.42"
+version = "1.0.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a338cc41d27e6cc6dce6cefc13a0729dfbb81c262b1f519331575dd80ef3067f"
+checksum = "21b2ebcf727b7760c461f091f9f0f539b77b8e87f2fd88131e7f1b433b3cece4"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
-name = "ryu"
-version = "1.0.20"
+name = "redox_syscall"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+checksum = "49f3fe0889e69e2ae9e41f4d6c4c0181701d00e4697b356fb1f74173a5e0ee27"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
+name = "rustix"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "146c9e247ccc180c1f61615433868c99f3de3ae256a30a43b49f67c2d9171f34"
+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
+]
 
 [[package]]
 name = "semver"
 version = "1.0.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d767eb0aabc880b29956c35734170f26ed551a859dbd361d140cdbeca61ab1e2"
+dependencies = [
+ "serde",
+ "serde_core",
+]
 
 [[package]]
 name = "serde"
@@ -139,17 +535,29 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.145"
+version = "1.0.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "402a6f66d8c709116cf22f558eab210f5a50187f702eb4d7e5ef38d9a7f1c79c"
+checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
 dependencies = [
  "itoa",
  "memchr",
- "ryu",
  "serde",
  "serde_core",
+ "zmij",
 ]
 
+[[package]]
+name = "simd-adler32"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e320a6c5ad31d271ad523dcf3ad13e2767ad8b1cb8f047f75a8aeaf8da139da2"
+
+[[package]]
+name = "slab"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a2ae44ef20feb57a68b23d846850f861394c2e02dc425a50098ae8c90267589"
+
 [[package]]
 name = "smallvec"
 version = "1.15.1"
@@ -165,11 +573,17 @@ dependencies = [
  "smallvec",
 ]
 
+[[package]]
+name = "stable_deref_trait"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
+
 [[package]]
 name = "syn"
-version = "2.0.110"
+version = "2.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a99801b5bd34ede4cf3fc688c5919368fea4e4814a4664359503e6015b280aea"
+checksum = "d4d107df263a3013ef9b1879b0df87d706ff80f65a86ea879bd9c31f9b307c2a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -177,16 +591,54 @@ dependencies = [
 ]
 
 [[package]]
-name = "unicode-ident"
-version = "1.0.22"
+name = "synstructure"
+version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
+checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
 
 [[package]]
-name = "unicode-segmentation"
-version = "1.12.0"
+name = "tar"
+version = "0.4.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
+checksum = "1d863878d212c87a19c1a610eb53bb01fe12951c0501cf5a0d65f724914a667a"
+dependencies = [
+ "filetime",
+ "libc",
+ "xattr",
+]
+
+[[package]]
+name = "tinystr"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42d3e9c45c09de15d06dd8acf5f4e0e399e85927b7f00711024eb7ae10fa4869"
+dependencies = [
+ "displaydoc",
+ "zerovec",
+]
+
+[[package]]
+name = "topological-sort"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea68304e134ecd095ac6c3574494fc62b909f416c4fca77e440530221e549d3d"
+
+[[package]]
+name = "typed-path"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e43ffa54726cdc9ea78392023ffe9fe9cf9ac779e1c6fcb0d23f9862e3879d20"
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
 
 [[package]]
 name = "unicode-xid"
@@ -194,78 +646,123 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
+[[package]]
+name = "url"
+version = "2.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff67a8a4397373c3ef660812acab3268222035010ab8680ec4215f38ba3d0eed"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "percent-encoding",
+ "serde",
+]
+
+[[package]]
+name = "utf8_iter"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
+
 [[package]]
 name = "wasm-encoder"
-version = "0.201.0"
+version = "0.227.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9c7d2731df60006819b013f64ccc2019691deccf6e11a1804bc850cd6748f1a"
+checksum = "80bb72f02e7fbf07183443b27b0f3d4144abf8c114189f2e088ed95b696a7822"
 dependencies = [
- "leb128",
+ "leb128fmt",
+ "wasmparser",
 ]
 
 [[package]]
 name = "wasm-metadata"
-version = "0.201.0"
+version = "0.227.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fd83062c17b9f4985d438603cde0a5e8c5c8198201a6937f778b607924c7da2"
+checksum = "ce1ef0faabbbba6674e97a56bee857ccddf942785a336c8b47b42373c922a91d"
 dependencies = [
  "anyhow",
+ "auditable-serde",
+ "flate2",
  "indexmap",
  "serde",
  "serde_derive",
  "serde_json",
  "spdx",
+ "url",
  "wasm-encoder",
  "wasmparser",
 ]
 
 [[package]]
 name = "wasmparser"
-version = "0.201.0"
+version = "0.227.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84e5df6dba6c0d7fafc63a450f1738451ed7a0b52295d83e868218fa286bf708"
+checksum = "0f51cad774fb3c9461ab9bccc9c62dfb7388397b5deda31bf40e8108ccd678b2"
 dependencies = [
  "bitflags",
+ "hashbrown 0.15.5",
  "indexmap",
  "semver",
 ]
 
+[[package]]
+name = "windows-link"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
 [[package]]
 name = "wit-bindgen"
-version = "0.22.0"
+version = "0.41.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "288f992ea30e6b5c531b52cdd5f3be81c148554b09ea416f058d16556ba92c27"
+checksum = "10fb6648689b3929d56bbc7eb1acf70c9a42a29eb5358c67c10f54dbd5d695de"
 dependencies = [
- "bitflags",
  "wit-bindgen-rt",
  "wit-bindgen-rust-macro",
 ]
 
 [[package]]
 name = "wit-bindgen-core"
-version = "0.22.0"
+version = "0.41.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e85e72719ffbccf279359ad071497e47eb0675fe22106dea4ed2d8a7fcb60ba4"
+checksum = "92fa781d4f2ff6d3f27f3cc9b74a73327b31ca0dc4a3ef25a0ce2983e0e5af9b"
 dependencies = [
  "anyhow",
+ "heck",
  "wit-parser",
 ]
 
 [[package]]
 name = "wit-bindgen-rt"
-version = "0.22.0"
+version = "0.41.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fcb8738270f32a2d6739973cbbb7c1b6dd8959ce515578a6e19165853272ee64"
+checksum = "c4db52a11d4dfb0a59f194c064055794ee6564eb1ced88c25da2cf76e50c5621"
+dependencies = [
+ "bitflags",
+ "futures",
+ "once_cell",
+]
 
 [[package]]
 name = "wit-bindgen-rust"
-version = "0.22.0"
+version = "0.41.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8a39a15d1ae2077688213611209849cad40e9e5cccf6e61951a425850677ff3"
+checksum = "9d0809dc5ba19e2e98661bf32fc0addc5a3ca5bf3a6a7083aa6ba484085ff3ce"
 dependencies = [
  "anyhow",
  "heck",
  "indexmap",
+ "prettyplease",
+ "syn",
  "wasm-metadata",
  "wit-bindgen-core",
  "wit-component",
@@ -273,11 +770,12 @@ dependencies = [
 
 [[package]]
 name = "wit-bindgen-rust-macro"
-version = "0.22.0"
+version = "0.41.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d376d3ae5850526dfd00d937faea0d81a06fa18f7ac1e26f386d760f241a8f4b"
+checksum = "ad19eec017904e04c60719592a803ee5da76cb51c81e3f6fbf9457f59db49799"
 dependencies = [
  "anyhow",
+ "prettyplease",
  "proc-macro2",
  "quote",
  "syn",
@@ -287,9 +785,9 @@ dependencies = [
 
 [[package]]
 name = "wit-component"
-version = "0.201.0"
+version = "0.227.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "421c0c848a0660a8c22e2fd217929a0191f14476b68962afd2af89fd22e39825"
+checksum = "635c3adc595422cbf2341a17fb73a319669cc8d33deed3a48368a841df86b676"
 dependencies = [
  "anyhow",
  "bitflags",
@@ -306,9 +804,9 @@ dependencies = [
 
 [[package]]
 name = "wit-parser"
-version = "0.201.0"
+version = "0.227.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "196d3ecfc4b759a8573bf86a9b3f8996b304b3732e4c7de81655f875f6efdca6"
+checksum = "ddf445ed5157046e4baf56f9138c124a0824d4d1657e7204d71886ad8ce2fc11"
 dependencies = [
  "anyhow",
  "id-arena",
@@ -322,21 +820,156 @@ dependencies = [
  "wasmparser",
 ]
 
+[[package]]
+name = "writeable"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9edde0db4769d2dc68579893f2306b26c6ecfbe0ef499b013d731b7b9247e0b9"
+
+[[package]]
+name = "xattr"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32e45ad4206f6d2479085147f02bc2ef834ac85886624a23575ae137c8aa8156"
+dependencies = [
+ "libc",
+ "rustix",
+]
+
+[[package]]
+name = "yoke"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72d6e5c6afb84d73944e5cedb052c4680d5657337201555f9f2a16b7406d4954"
+dependencies = [
+ "stable_deref_trait",
+ "yoke-derive",
+ "zerofrom",
+]
+
+[[package]]
+name = "yoke-derive"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b659052874eb698efe5b9e8cf382204678a0086ebf46982b79d6ca3182927e5d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
 [[package]]
 name = "zed-css-variables"
-version = "0.0.8"
+version = "0.1.0"
 dependencies = [
  "anyhow",
+ "flate2",
+ "serde_json",
+ "tar",
  "zed_extension_api",
+ "zip",
 ]
 
 [[package]]
 name = "zed_extension_api"
-version = "0.0.6"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77ca8bcaea3feb2d2ce9dbeb061ee48365312a351faa7014c417b0365fe9e459"
+checksum = "0729d50b4ca0a7e28e590bbe32e3ca0194d97ef654961451a424c661a366fca0"
 dependencies = [
  "serde",
  "serde_json",
  "wit-bindgen",
 ]
+
+[[package]]
+name = "zerofrom"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50cc42e0333e05660c3587f3bf9d0478688e15d870fab3346451ce7f8c9fbea5"
+dependencies = [
+ "zerofrom-derive",
+]
+
+[[package]]
+name = "zerofrom-derive"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
+[[package]]
+name = "zerotrie"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a59c17a5562d507e4b54960e8569ebee33bee890c70aa3fe7b97e85a9fd7851"
+dependencies = [
+ "displaydoc",
+ "yoke",
+ "zerofrom",
+]
+
+[[package]]
+name = "zerovec"
+version = "0.11.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c28719294829477f525be0186d13efa9a3c602f7ec202ca9e353d310fb9a002"
+dependencies = [
+ "yoke",
+ "zerofrom",
+ "zerovec-derive",
+]
+
+[[package]]
+name = "zerovec-derive"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eadce39539ca5cb3985590102671f2567e659fca9666581ad3411d59207951f3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "zip"
+version = "7.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c42e33efc22a0650c311c2ef19115ce232583abbe80850bc8b66509ebef02de0"
+dependencies = [
+ "crc32fast",
+ "flate2",
+ "indexmap",
+ "memchr",
+ "typed-path",
+ "zopfli",
+]
+
+[[package]]
+name = "zlib-rs"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40990edd51aae2c2b6907af74ffb635029d5788228222c4bb811e9351c0caad3"
+
+[[package]]
+name = "zmij"
+version = "1.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfcd145825aace48cff44a8844de64bf75feec3080e0aa5cdbde72961ae51a65"
+
+[[package]]
+name = "zopfli"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f05cd8797d63865425ff89b5c4a48804f35ba0ce8d125800027ad6017d2b5249"
+dependencies = [
+ "bumpalo",
+ "crc32fast",
+ "log",
+ "simd-adler32",
+]
diff --git a/Cargo.toml b/Cargo.toml
index e6a7eab..af12107 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "zed-css-variables"
-version = "0.0.8"
+version = "0.1.0"
 edition = "2021"
 license = "GPL-3.0"
 
@@ -9,4 +9,8 @@ crate-type = ["cdylib"]
 
 [dependencies]
 anyhow = "1"
-zed_extension_api = "0.0.*"
+zed_extension_api = "0.7"
+serde_json = "1.0"
+flate2 = "1.1.8"
+tar = "0.4.44"
+zip = { version = "7.2.0", default-features = false, features = ["deflate"] }
diff --git a/PUBLISHING.md b/PUBLISHING.md
index 5aba399..ed2bc63 100644
--- a/PUBLISHING.md
+++ b/PUBLISHING.md
@@ -3,10 +3,11 @@
 ## Pre-Publishing Checklist
 
 ✅ **Version Updated**
-- [x] `extension.toml` version: 0.0.9
+- [x] `extension.toml` version: 0.1.0
 - [x] CHANGELOG.md updated with release notes
 
 ✅ **Code Quality**
+
 - [x] All tests passing (`cargo test --lib`)
 - [x] Integration tests passing (`./test_extension.sh`)
 - [x] Clean install test passing (`./test_clean_install.sh`)
@@ -16,6 +17,7 @@
 **Note:** All tests validate the extension works correctly without requiring Docker.
 
 ✅ **Documentation**
+
 - [x] README.md updated with latest features
 - [x] Installation instructions clear
 - [x] Development setup documented
@@ -23,12 +25,14 @@
 - [x] Known limitations documented
 
 ✅ **Extension Configuration**
-- [x] `npm:install` capability declared
-- [x] LSP version: css-variable-lsp@latest
+- [x] `download_file` capability declared (primary: Rust binary)
+- [x] `npm:install` fallback available
+- [x] LSP version: css-variable-lsp latest (auto-resolved via GitHub API) / latest (npm fallback)
 - [x] Extension metadata complete (name, description, repository)
 - [x] License specified (GPL-3.0)
 
 ✅ **Git & Repository**
+
 - [x] All changes committed
 - [ ] Changes pushed to GitHub
 - [ ] Git tags created for version
@@ -38,60 +42,77 @@
 ### Method 1: Via Zed Extension Marketplace (Recommended)
 
 1. **Ensure you're logged in to Zed**
+
    - Open Zed
    - Sign in with your GitHub account
 
 2. **Publish the extension**
-   - The Zed team reviews extensions submitted via GitHub
-   - Extensions are typically published from the repository
-
-3. **Repository Requirements**
-   - Public GitHub repository ✅
-   - Valid `extension.toml` ✅
-   - Valid `extension.wasm` ✅
-   - Clear README ✅
+   - Open Extensions panel (Cmd+Shift+X)
+   - Click on the installed dev extension
+   - Click "Publish" (if available)
 
-### Method 2: Manual Distribution
+### Method 2: Via zed-industries/extensions Repository
 
-Users can install directly from the repository:
+1. **Fork the extensions repository**
 
-1. Clone the repository
-2. Build the extension (see README.md)
-3. In Zed: Extensions → Install Dev Extension → Select directory
+   ```bash
+   git clone https://github.com/zed-industries/extensions
+   cd extensions
+   ```
 
-## Post-Publishing
+2. **Add your extension as a submodule**
 
-- [ ] Test installation from marketplace
-- [ ] Verify LSP auto-installation works
-- [ ] Check that all features work in fresh installation
-- [ ] Monitor for user feedback and issues
-- [ ] Update documentation if needed
+   ```bash
+   git submodule add https://github.com/lmn451/css-variables-zed extensions/css-variables
+   ```
 
-## Updating the Extension
+3. **Create a pull request**
+   - Push your fork
+   - Open PR against zed-industries/extensions
 
-When releasing a new version:
+## Version Bumping Process
 
 1. Update version in `extension.toml`
-2. Update CHANGELOG.md
-3. Run all tests
-4. Build and update `extension.wasm`
-5. Commit changes with descriptive message
-6. Push to GitHub
-7. Create a git tag: `git tag v0.0.X && git push origin v0.0.X`
-
-## Release Checklist for v0.0.9
-- [x] Updated to css-variable-lsp@1.0.5-beta.1
-- [x] Added npm:install capability
-- [x] Created comprehensive test suite
-- [x] Updated documentation
-- [x] All tests passing
-- [x] Code committed
-- [ ] Code pushed to GitHub
-- [ ] Create git tag v0.0.9
-- [ ] Submit to Zed extension marketplace
-
-## Contact & Support
-
-- **Repository**: https://github.com/lmn451/css-variables-zed
-- **Issues**: https://github.com/lmn451/css-variables-zed/issues
-- **License**: GPL-3.0
+2. Update CHANGELOG.md with release notes
+3. Rebuild WASM:
+   ```bash
+   cargo build --release --target wasm32-wasip1
+   cp target/wasm32-wasip1/release/zed_css_variables.wasm extension.wasm
+   ```
+4. Run tests:
+   ```bash
+   cargo test --lib
+   ./test_extension.sh
+   ./test_clean_install.sh
+   ```
+5. Commit and tag:
+   ```bash
+   git add -A
+   git commit -m "release: v0.0.X"
+   git tag v0.0.X
+   git push && git push --tags
+   ```
+
+## Testing Before Publish
+
+```bash
+# Run all tests
+cargo test --lib
+./test_extension.sh
+./test_clean_install.sh
+
+# Test in Zed
+# 1. Open Zed
+# 2. Extensions → Install Dev Extension
+# 3. Select this directory
+# 4. Open a project with CSS files
+# 5. Verify completions, hover, go-to-definition work
+```
+
+## Rollback Process
+
+If issues are discovered after publishing:
+
+1. Revert to previous version in `extension.toml`
+2. Rebuild and republish
+3. Document issue in CHANGELOG.md
diff --git a/README.md b/README.md
index 6dbec9f..57f1980 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,9 @@ Project-wide CSS custom properties (variables) support for Zed, powered by `css-
 3. Search for "CSS Variables"
 4. Click Install
 
-On first use (and whenever a newer version is available), the extension installs the latest `css-variable-lsp` via Zed's `npm:install` capability using Zed's built-in Node.js runtime. No manual Node.js or npm setup is required.
+On first use, the extension downloads a prebuilt `css-variable-lsp` release asset and caches it in
+the extension working directory. If the download fails, it falls back to the npm package via Zed's
+built-in Node.js runtime. No manual Node.js or npm setup is required.
 
 ## Configuration
 
@@ -47,6 +49,12 @@ Provided lists replace the defaults (include any defaults you still want).
 `undefinedVarFallback` controls diagnostics when a `var(--name, fallback)` has an
 undefined variable; supported values are `warning` (default), `info`, and `off`.
 
+Binary resolution order (first match wins):
+1) `lsp.css-variables.binary.path` (can point to a local dev build)
+2) Download the pinned Rust release asset and cache it
+3) `css-variable-lsp` in PATH
+4) Fall back to npm package `css-variable-lsp`
+
 Defaults:
 
 - `lookupFiles`:
@@ -79,7 +87,7 @@ include `/**` at the end (for example `**/dist/**`).
 
 ### NPM Package Version (Optional)
 
-To opt into beta releases, set `npmVersion` in the same `settings` object:
+To opt into beta releases (used only when falling back to npm), set `npmVersion` in the same `settings` object:
 
 ```json
 {
@@ -93,10 +101,6 @@ To opt into beta releases, set `npmVersion` in the same `settings` object:
 }
 ```
 
-Defaults to `latest`. You can also provide an explicit version string (e.g. `1.0.14-beta.3`).
-When set to a dist-tag like `beta`, the extension attempts to install that tag on startup to keep it current.
-If npm is unavailable, it falls back to the already installed version.
-
 ## LSP Flags & Environment
 
 The extension launches `css-variable-lsp` with `--color-only-variables` and `--stdio`.
@@ -144,9 +148,8 @@ Defaults:
   - `**/out/**`
   - `**/.git/**`
 
-Zed forwards `cssVariables.lookupFiles` as repeated `--lookup-file` flags,
-`cssVariables.blacklistFolders` as repeated `--ignore-glob` flags, and
-`cssVariables.undefinedVarFallback` as `--undefined-var-fallback`.
+Zed forwards `cssVariables.lookupFiles` as repeated `--lookup-file` flags and
+`cssVariables.blacklistFolders` as repeated `--ignore-glob` flags.
 
 ### Completion Path Examples
 
@@ -168,7 +171,6 @@ Assume a variable is defined in `/Users/you/project/src/styles/theme.css` and yo
 ### Prerequisites
 
 - Rust with `wasm32-wasip1` target: `rustup target add wasm32-wasip1`
-- Node.js and npm (for testing only)
 
 ### Building
 
@@ -189,7 +191,7 @@ cargo test --lib
 # Run integration tests
 ./test_extension.sh
 
-# Run clean installation test (validates npm package installation)
+# Run clean installation test (validates download capability)
 ./test_clean_install.sh
 ```
 
@@ -199,12 +201,31 @@ cargo test --lib
 2. Open Zed -> Extensions -> Install Dev Extension
 3. Select this directory
 
+### Using a Local LSP Build
+
+To test a local build of `css-lsp-rust`, set `binary.path` in your settings:
+
+```json
+{
+  "lsp": {
+    "css-variables": {
+      "binary": {
+        "path": "/path/to/css-lsp-rust/target/debug/css-variable-lsp"
+      }
+    }
+  }
+}
+```
+
 ## Known Limitations
 
 - Cascade resolution is best-effort; the LSP does not model DOM nesting or selector combinators.
 - Rename operations replace full declarations/usages and may adjust formatting.
 
-### Latest: v0.0.9
-- Adds `undefinedVarFallback` to control diagnostics for `var()` fallbacks
-- Documents the undefined-var fallback flag/env defaults
+### Latest: v0.1.0
+
+- Pins `css-variable-lsp` to v0.1.6
+- Adds Linux/Windows ARM64 release asset support
+- Adds `undefinedVarFallback` setting for var() fallback diagnostics
+- Downloads a prebuilt release asset on first run, falls back to npm if needed
 - Runs the server with `--color-only-variables` by default
diff --git a/example/index.html b/example/index.html
index 428d8a2..8fccff7 100644
--- a/example/index.html
+++ b/example/index.html
@@ -10,6 +10,7 @@
     :root {
       background-color: var(--primary);
       --secondary-color: #f0f0f0;
+      color: var(--accent-2);
     }
   </style>
   <body>
diff --git a/example/index.svelte b/example/index.svelte
index 6df2b77..03e8f46 100644
--- a/example/index.svelte
+++ b/example/index.svelte
@@ -2,13 +2,15 @@
 :root {
   --svelte-color: #2563eb;
   --svelte-bg: #dbeafe;
+  --asdf: 2px;
 }
 
 .panel {
   padding: 1rem;
   border-radius: 0.5rem;
   color: var(--svelte-color);
-  background: var(--svelte-bg);
+  background: var(--asdf);
+  border-color: var(--asdf);
 }
 </style>
 
diff --git a/example/index.vue b/example/index.vue
index d6c84fc..22940bf 100644
--- a/example/index.vue
+++ b/example/index.vue
@@ -1,7 +1,10 @@
-<template>
-  <div class="container" style="color: var(--vue-color); background: var(--vue-bg);">
-    Vue example
-  </div>
+<template lang="ts">
+<div
+  class="container"
+  style="color: var(--vue-color); background: var(--vue-bg)"
+>
+  Vue example
+</div>;
 </template>
 
 <style>
@@ -13,5 +16,6 @@
 .container {
   padding: 1rem;
   border: 1px solid var(--vue-color);
+  color: var(--vue-bg);
 }
 </style>
diff --git a/examples/README.md b/examples/README.md
new file mode 100644
index 0000000..9e8a3bb
--- /dev/null
+++ b/examples/README.md
@@ -0,0 +1,14 @@
+Repro for issue #21
+
+Steps
+1) Open this folder in Zed with the css-variables extension enabled.
+2) Open main.scss and place the cursor after `var(--` to trigger completion.
+3) Observe diagnostics for --accent-missing.
+4) Edit vars.scss: rename --accent to --accent-missing and save.
+5) Return to main.scss and edit a character; diagnostics/completions should update.
+
+Expected behavior
+- Completions show --accent/--accent-2/--muted.
+- Diagnostics clear when the variable is defined.
+
+If the issue reproduces, diagnostics do not update after edits and/or completion never appears in main.scss.
diff --git a/examples/app.js b/examples/app.js
new file mode 100644
index 0000000..0474317
--- /dev/null
+++ b/examples/app.js
@@ -0,0 +1,13 @@
+export const theme = {
+  accent: "var(--accent)",
+  muted: "var(--muted)",
+};
+
+export function inject() {
+  const css = `
+    .injected {
+      color: var(--accent);
+    }
+  `;
+  return css;
+}
diff --git a/examples/index.html b/examples/index.html
new file mode 100644
index 0000000..9a699dd
--- /dev/null
+++ b/examples/index.html
@@ -0,0 +1,11 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>CSS Variables Repro</title>
+  </head>
+  <body style="background: var(--accent); color: var(--muted)">
+    <div class="container">Hello</div>
+    <div class="card">Card</div>
+  </body>
+</html>
diff --git a/examples/main.scss b/examples/main.scss
new file mode 100644
index 0000000..1177093
--- /dev/null
+++ b/examples/main.scss
@@ -0,0 +1,12 @@
+@use "vars";
+
+.container {
+  color: var(--accent);
+  background: var(--accent-2);
+}
+
+.card {
+  border-color: var(--accent-missing);
+  color: var(--muted);
+  background-color: var(--accent-missing);
+}
diff --git a/examples/vars.scss b/examples/vars.scss
new file mode 100644
index 0000000..c20d0bc
--- /dev/null
+++ b/examples/vars.scss
@@ -0,0 +1,4 @@
+:root {
+  --accent-2: #ffd166;
+  --muted: #6b7280;
+}
diff --git a/extension.toml b/extension.toml
index bc05919..9374ccf 100644
--- a/extension.toml
+++ b/extension.toml
@@ -1,14 +1,15 @@
 schema_version = 1
 id = "css-variables"
 name = "CSS Variables (LSP)"
-version = "0.0.9"
+version = "0.1.0"
 authors = ["lm451"]
 description = "Project-wide CSS variable autocomplete, hover, go-to-definition and color support via css-variable-lsp."
 repository = "https://github.com/lmn451/css-variables-zed"
 
 [[capabilities]]
-kind = "npm:install"
-package = "css-variable-lsp"
+kind = "download_file"
+host = "github.com"
+path = ["lmn451", "css-lsp-rust", "**"]
 
 [language_servers.css-variables]
 name = "CSS Variables Language Server"
diff --git a/extension.wasm b/extension.wasm
old mode 100644
new mode 100755
index a41fdd9..cd6e9fd
Binary files a/extension.wasm and b/extension.wasm differ
diff --git a/src/lib.rs b/src/lib.rs
index f7ff5fa..3200e3a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,12 +1,101 @@
-use zed_extension_api as zed;
-use zed::settings::LspSettings;
+use std::fs;
+use std::path::Path;
+
 use zed::serde_json::Value;
+use zed::settings::{CommandSettings, LspSettings};
+use zed_extension_api as zed;
+
+const CSS_VARIABLES_BINARY_NAME: &str = "css-variable-lsp";
+const CSS_VARIABLES_RELEASE_REPO: &str = "lmn451/css-lsp-rust";
+const CSS_VARIABLES_RELEASE_TAG: &str = "latest";
+const CSS_VARIABLES_CACHE_PREFIX: &str = "css-variable-lsp-";
+
+struct CssVariablesExtension {
+    cached_binary_path: Option<String>,
+}
+
+impl CssVariablesExtension {
+    fn resolve_css_variables_binary(
+        &mut self,
+        language_server_id: &zed::LanguageServerId,
+        _worktree: &zed::Worktree,
+        _user_settings: Option<&Value>,
+        binary_settings: Option<&CommandSettings>,
+    ) -> zed::Result<String> {
+        if let Some(path) = binary_settings.and_then(|settings| settings.path.as_ref()) {
+            return Ok(path.clone());
+        }
+
+        let (platform, arch) = zed::current_platform();
+
+        // 2) Check cached binary
+        if let Some(path) = &self.cached_binary_path {
+            if fs::metadata(path).is_ok_and(|stat| stat.is_file()) {
+                return Ok(path.clone());
+            }
+        }
+
+        let binary_name = binary_name_for_platform(platform);
+
+        // Resolve "latest" tag to actual version
+        let version_dir = format!("{CSS_VARIABLES_CACHE_PREFIX}{CSS_VARIABLES_RELEASE_TAG}");
+
+        // 2) Already downloaded Rust binary
+        if let Some(path) = find_binary_in_dir(&version_dir, binary_name)? {
+            self.cached_binary_path = Some(path.clone());
+            return Ok(path);
+        }
+
+        // 3) Download pinned Rust release
+        zed::set_language_server_installation_status(
+            language_server_id,
+            &zed::LanguageServerInstallationStatus::CheckingForUpdate,
+        );
+
+        let asset_name = asset_name_for_platform(platform, arch)?;
+        let (download_type, is_archive) = download_type_for_asset(asset_name);
+        let download_url = format!(
+            "https://github.com/{CSS_VARIABLES_RELEASE_REPO}/releases/download/{CSS_VARIABLES_RELEASE_TAG}/{asset_name}"
+        );
+        fs::create_dir_all(&version_dir)
+            .map_err(|err| format!("failed to create directory '{version_dir}': {err}"))?;
+
+        zed::set_language_server_installation_status(
+            language_server_id,
+            &zed::LanguageServerInstallationStatus::Downloading,
+        );
+
+        let binary_path = if is_archive {
+            zed::download_file(&download_url, &version_dir, download_type)
+                .map_err(|err| format!("failed to download {asset_name}: {err}"))?;
+
+            find_binary_in_dir(&version_dir, binary_name)?.ok_or_else(|| {
+                format!("downloaded archive did not contain expected binary '{binary_name}'")
+            })?
+        } else {
+            let binary_path = format!("{version_dir}/{binary_name}");
+            if !Path::new(&binary_path).exists() {
+                zed::download_file(&download_url, &binary_path, download_type)
+                    .map_err(|err| format!("failed to download {asset_name}: {err}"))?;
+            }
+            binary_path
+        };
+
+        if platform != zed::Os::Windows {
+            zed::make_file_executable(&binary_path)?;
+        }
 
-struct CssVariablesExtension;
+        prune_cached_versions(CSS_VARIABLES_CACHE_PREFIX, &version_dir);
+        self.cached_binary_path = Some(binary_path.clone());
+        Ok(binary_path)
+    }
+}
 
 impl zed::Extension for CssVariablesExtension {
     fn new() -> Self {
-        CssVariablesExtension
+        CssVariablesExtension {
+            cached_binary_path: None,
+        }
     }
 
     fn language_server_command(
@@ -18,11 +107,45 @@ impl zed::Extension for CssVariablesExtension {
             return Err(format!("Unknown language server id: {language_server_id}"));
         }
 
-        let user_settings = LspSettings::for_worktree("css-variables", worktree)
-            .ok()
-            .and_then(|lsp_settings| lsp_settings.settings);
+        let lsp_settings = LspSettings::for_worktree("css-variables", worktree).ok();
+        let user_settings = lsp_settings
+            .as_ref()
+            .and_then(|lsp_settings| lsp_settings.settings.clone());
+        let binary_settings = lsp_settings
+            .as_ref()
+            .and_then(|lsp_settings| lsp_settings.binary.as_ref());
+
+        // Try Rust binary first, then PATH, then fall back to npm
+        let command = match self.resolve_css_variables_binary(
+            language_server_id,
+            worktree,
+            user_settings.as_ref(),
+            binary_settings,
+        ) {
+            Ok(path) => path,
+            Err(_rust_err) => {
+                // 4) Check PATH before npm fallback (user's own install)
+                if let Some(path) = worktree.which(CSS_VARIABLES_BINARY_NAME) {
+                    path
+                } else {
+                    // 5) npm fallback
+                    return build_npm_fallback_command(worktree, user_settings);
+                }
+            }
+        };
+
+        let merged_settings = build_workspace_settings(user_settings);
+        let mut args = build_css_variables_args(Some(merged_settings));
 
-        build_css_variables_command(worktree, user_settings)
+        if let Some(extra_args) = binary_settings.and_then(|settings| settings.arguments.clone()) {
+            args.extend(extra_args);
+        }
+
+        Ok(zed::Command {
+            command,
+            args,
+            env: worktree.shell_env(),
+        })
     }
 
     fn language_server_workspace_configuration(
@@ -101,13 +224,13 @@ fn merge_json_value(base: &mut Value, overlay: &Value) {
     *base = overlay.clone();
 }
 
-fn build_css_variables_command(
+fn build_npm_fallback_command(
     worktree: &zed::Worktree,
     user_settings: Option<Value>,
 ) -> zed::Result<zed::Command> {
     let package = "css-variable-lsp";
-    let npm_version = npm_version_from_settings(user_settings.as_ref())
-        .unwrap_or_else(|| "latest".to_string());
+    let npm_version =
+        npm_version_from_settings(user_settings.as_ref()).unwrap_or_else(|| "latest".to_string());
 
     // Install the package if it's missing or on a different version.
     if npm_version == "latest" {
@@ -154,8 +277,8 @@ fn build_css_variables_command(
 
     // Use JS entrypoint directly to avoid npm .bin shell shim issues on Windows.
     // Get the extension's working directory and construct path to entrypoint
-    let current_dir = std::env::current_dir()
-        .map_err(|e| format!("Could not get current directory: {}", e))?;
+    let current_dir =
+        std::env::current_dir().map_err(|e| format!("Could not get current directory: {}", e))?;
     let entrypoint_path = current_dir
         .join("node_modules")
         .join(package)
@@ -184,10 +307,7 @@ fn build_css_variables_command(
 }
 
 fn build_css_variables_args(user_settings: Option<Value>) -> Vec<String> {
-    let mut args = vec![
-        "--color-only-variables".to_string(),
-        "--stdio".to_string(),
-    ];
+    let mut args = vec!["--color-only-variables".to_string(), "--stdio".to_string()];
 
     args.extend(build_settings_args(user_settings));
     args
@@ -232,6 +352,16 @@ fn build_settings_args(user_settings: Option<Value>) -> Vec<String> {
     args
 }
 
+fn extract_string_array(value: &Value) -> Vec<String> {
+    match value {
+        Value::Array(items) => items
+            .iter()
+            .filter_map(|item| item.as_str().map(|value| value.to_string()))
+            .collect(),
+        _ => Vec::new(),
+    }
+}
+
 fn npm_version_from_settings(user_settings: Option<&Value>) -> Option<String> {
     user_settings
         .and_then(|settings| settings.get("npmVersion"))
@@ -247,13 +377,89 @@ fn is_npm_version(value: &str) -> bool {
         .unwrap_or(false)
 }
 
-fn extract_string_array(value: &Value) -> Vec<String> {
-    match value {
-        Value::Array(items) => items
-            .iter()
-            .filter_map(|item| item.as_str().map(|value| value.to_string()))
-            .collect(),
-        _ => Vec::new(),
+fn binary_name_for_platform(platform: zed::Os) -> &'static str {
+    match platform {
+        zed::Os::Windows => "css-variable-lsp.exe",
+        _ => CSS_VARIABLES_BINARY_NAME,
+    }
+}
+
+fn asset_name_for_platform(
+    platform: zed::Os,
+    arch: zed::Architecture,
+) -> zed::Result<&'static str> {
+    match (platform, arch) {
+        (zed::Os::Mac, zed::Architecture::Aarch64) => Ok("css-variable-lsp-macos-aarch64.tar.gz"),
+        (zed::Os::Mac, zed::Architecture::X8664) => Ok("css-variable-lsp-macos-x86_64.tar.gz"),
+        (zed::Os::Linux, zed::Architecture::Aarch64) => Ok("css-variable-lsp-linux-aarch64.tar.gz"),
+        (zed::Os::Linux, zed::Architecture::X8664) => Ok("css-variable-lsp-linux-x86_64.tar.gz"),
+        (zed::Os::Windows, zed::Architecture::X8664) => {
+            Ok("css-variable-lsp-windows-x86_64.exe.zip")
+        }
+        (zed::Os::Windows, zed::Architecture::Aarch64) => {
+            Ok("css-variable-lsp-windows-aarch64.exe.zip")
+        }
+        (platform, arch) => Err(format!("unsupported platform {platform:?} {arch:?}")),
+    }
+}
+
+fn download_type_for_asset(asset_name: &str) -> (zed::DownloadedFileType, bool) {
+    if asset_name.ends_with(".tar.gz") || asset_name.ends_with(".tgz") {
+        (zed::DownloadedFileType::GzipTar, true)
+    } else if asset_name.ends_with(".zip") {
+        (zed::DownloadedFileType::Zip, true)
+    } else if asset_name.ends_with(".gz") {
+        (zed::DownloadedFileType::Gzip, false)
+    } else {
+        (zed::DownloadedFileType::Uncompressed, false)
+    }
+}
+
+fn find_binary_in_dir(dir: &str, binary_name: &str) -> zed::Result<Option<String>> {
+    let root = Path::new(dir);
+    if !root.exists() {
+        return Ok(None);
+    }
+    find_binary_in_tree(root, binary_name)
+}
+
+fn find_binary_in_tree(root: &Path, binary_name: &str) -> zed::Result<Option<String>> {
+    let entries =
+        fs::read_dir(root).map_err(|err| format!("failed to read directory {root:?}: {err}"))?;
+    for entry in entries {
+        let entry = entry.map_err(|err| format!("failed to read directory entry: {err}"))?;
+        let path = entry.path();
+        let file_type = entry
+            .file_type()
+            .map_err(|err| format!("failed to read file type for {path:?}: {err}"))?;
+        if file_type.is_dir() {
+            if let Some(found) = find_binary_in_tree(&path, binary_name)? {
+                return Ok(Some(found));
+            }
+        } else if file_type.is_file() && entry.file_name().to_str() == Some(binary_name) {
+            return Ok(Some(path.to_string_lossy().to_string()));
+        }
+    }
+    Ok(None)
+}
+
+fn prune_cached_versions(prefix: &str, keep: &str) {
+    let entries = match fs::read_dir(".") {
+        Ok(entries) => entries,
+        Err(_) => return,
+    };
+
+    for entry in entries.flatten() {
+        let file_name = entry.file_name();
+        let Some(name) = file_name.to_str() else {
+            continue;
+        };
+        if name.starts_with(prefix) && name != keep {
+            let path = entry.path();
+            if path.is_dir() {
+                fs::remove_dir_all(path).ok();
+            }
+        }
     }
 }
 
@@ -402,4 +608,61 @@ mod tests {
         assert!(!is_npm_version("beta"));
         assert!(!is_npm_version("latest"));
     }
+
+    // Asset naming contract tests - these MUST match the LSP repo's release workflow
+    // If these fail, the extension won't be able to download the binary
+
+    #[test]
+    fn asset_name_macos_aarch64() {
+        assert_eq!(
+            asset_name_for_platform(zed::Os::Mac, zed::Architecture::Aarch64).unwrap(),
+            "css-variable-lsp-macos-aarch64.tar.gz"
+        );
+    }
+
+    #[test]
+    fn asset_name_macos_x86_64() {
+        assert_eq!(
+            asset_name_for_platform(zed::Os::Mac, zed::Architecture::X8664).unwrap(),
+            "css-variable-lsp-macos-x86_64.tar.gz"
+        );
+    }
+
+    #[test]
+    fn asset_name_linux_aarch64() {
+        assert_eq!(
+            asset_name_for_platform(zed::Os::Linux, zed::Architecture::Aarch64).unwrap(),
+            "css-variable-lsp-linux-aarch64.tar.gz"
+        );
+    }
+
+    #[test]
+    fn asset_name_linux_x86_64() {
+        assert_eq!(
+            asset_name_for_platform(zed::Os::Linux, zed::Architecture::X8664).unwrap(),
+            "css-variable-lsp-linux-x86_64.tar.gz"
+        );
+    }
+
+    #[test]
+    fn asset_name_windows_aarch64() {
+        assert_eq!(
+            asset_name_for_platform(zed::Os::Windows, zed::Architecture::Aarch64).unwrap(),
+            "css-variable-lsp-windows-aarch64.exe.zip"
+        );
+    }
+
+    #[test]
+    fn asset_name_windows_x86_64() {
+        assert_eq!(
+            asset_name_for_platform(zed::Os::Windows, zed::Architecture::X8664).unwrap(),
+            "css-variable-lsp-windows-x86_64.exe.zip"
+        );
+    }
+
+    #[test]
+    fn release_tag_is_latest() {
+        // Verify we use "latest" to always download newest LSP release
+        assert_eq!(CSS_VARIABLES_RELEASE_TAG, "latest");
+    }
 }
diff --git a/src/scripts/pre-push.sh b/src/scripts/pre-push.sh
new file mode 100755
index 0000000..52366aa
--- /dev/null
+++ b/src/scripts/pre-push.sh
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# Pre-push hook to run tests and validation
+# To install: ln -s ../../scripts/pre-push.sh .git/hooks/pre-push
+
+set -euo pipefail
+
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+echo -e "${YELLOW}Running pre-push checks...${NC}"
+
+# 1. Check formatting
+echo -e "${YELLOW}Checking formatting...${NC}"
+if ! cargo fmt -- --check; then
+    echo -e "${RED}Formatting check failed. Run 'cargo fmt' to fix.${NC}"
+    exit 1
+fi
+
+# 2. Run tests (includes asset naming contract tests)
+echo -e "${YELLOW}Running tests...${NC}"
+if ! cargo test --lib; then
+    echo -e "${RED}Tests failed.${NC}"
+    exit 1
+fi
+
+# 3. Run integration tests
+echo -e "${YELLOW}Running integration tests...${NC}"
+if ! ./test_extension.sh; then
+    echo -e "${RED}Integration tests failed.${NC}"
+    exit 1
+fi
+
+echo -e "${GREEN}All pre-push checks passed!${NC}"
+exit 0
diff --git a/test_clean_install.sh b/test_clean_install.sh
index 1448f20..5520d99 100755
--- a/test_clean_install.sh
+++ b/test_clean_install.sh
@@ -28,7 +28,16 @@ if [ ! -f "extension.toml" ] || [ ! -f "extension.wasm" ]; then
 fi
 echo -e "${GREEN}✓ Extension structure valid${NC}\n"
 
-echo -e "${YELLOW}Step 3: Testing npm package installation (css-variable-lsp@latest)...${NC}"
+echo -e "${YELLOW}Step 3: Verifying download capability is declared...${NC}"
+if grep -q 'kind = "download_file"' extension.toml && \
+   grep -q 'host = "github.com"' extension.toml; then
+    echo -e "${GREEN}✓ download_file capability declared${NC}"
+else
+    echo -e "${RED}❌ download_file capability missing${NC}"
+    exit 1
+fi
+
+echo -e "\n${YELLOW}Step 4: Testing npm fallback package (css-variable-lsp@latest)...${NC}"
 if command -v npm >/dev/null 2>&1; then
     # Create package.json to avoid npm installing in parent directory
     echo '{"name":"test","version":"1.0.0"}' > package.json
@@ -36,41 +45,17 @@ if command -v npm >/dev/null 2>&1; then
     
     # The binary path is a symlink to the actual server.js file
     if [ -L "node_modules/.bin/css-variable-lsp" ] || [ -f "node_modules/.bin/css-variable-lsp" ]; then
-        echo -e "${GREEN}✓ LSP binary installed successfully${NC}"
-        echo -e "${GREEN}  Location: $(pwd)/node_modules/.bin/css-variable-lsp${NC}"
-        
-        # Check if it's executable
-        if [ -x "node_modules/.bin/css-variable-lsp" ]; then
-            echo -e "${GREEN}✓ LSP binary is executable${NC}"
-        else
-            echo -e "${RED}❌ LSP binary not executable${NC}"
-            exit 1
-        fi
-        
-        # Verify the LSP binary is a valid Node.js script
-        echo -e "\n${YELLOW}Testing LSP binary...${NC}"
-        if head -1 node_modules/css-variable-lsp/out/server.js | grep -q "node"; then
-            echo -e "${GREEN}✓ LSP binary is a valid Node.js script${NC}"
-        fi
-        
-        # Check that it responds (it will error without --stdio, which is expected)
-        if node node_modules/.bin/css-variable-lsp --stdio < /dev/null 2>&1 | grep -q "Connection input stream" || node node_modules/.bin/css-variable-lsp 2>&1 | grep -q "Connection input stream"; then
-            echo -e "${GREEN}✓ LSP binary loads correctly (requires --stdio flag as expected)${NC}"
-        else
-            echo -e "${YELLOW}⚠ LSP response different than expected (but likely OK)${NC}"
-        fi
+        echo -e "${GREEN}✓ npm fallback LSP binary installed successfully${NC}"
     else
-        echo -e "${RED}❌ LSP binary not found after installation${NC}"
-        exit 1
+        echo -e "${YELLOW}⚠ npm fallback LSP binary not found (but primary Rust binary should work)${NC}"
     fi
 else
-    echo -e "${YELLOW}⚠ npm not available, skipping package installation test${NC}"
-    echo -e "${YELLOW}  (On fresh system, Zed's built-in npm will handle this)${NC}"
+    echo -e "${YELLOW}⚠ npm not available, skipping fallback test${NC}"
 fi
 
 cd ..
 
-echo -e "\n${YELLOW}Step 4: Cleanup...${NC}"
+echo -e "\n${YELLOW}Step 5: Cleanup...${NC}"
 if [ "$KEEP_TEST_DIR" != "1" ]; then
     rm -rf "$TEST_DIR"
     echo -e "${GREEN}✓ Test directory cleaned up${NC}\n"
@@ -84,6 +69,6 @@ echo -e "${GREEN}========================================${NC}\n"
 
 echo -e "This test confirms:"
 echo -e "  ✓ Extension files are properly structured"
-echo -e "  ✓ npm package css-variable-lsp@latest is installable"
-echo -e "  ✓ LSP binary is accessible and executable"
-echo -e "  ✓ Extension will work on fresh Zed installations"
+echo -e "  ✓ download_file capability is declared"
+echo -e "  ✓ Extension will download the Rust binary on first run in Zed"
+echo -e "  ✓ npm fallback package is available if needed"
diff --git a/test_extension.sh b/test_extension.sh
index 5df2e3d..e7f4eda 100755
--- a/test_extension.sh
+++ b/test_extension.sh
@@ -44,12 +44,17 @@ if [ -z "$VERSION" ]; then
     echo -e "${RED}❌ Failed to parse version from extension.toml${NC}"
     exit 1
 fi
-if ! grep -q 'kind = "npm:install"' extension.toml; then
-    echo -e "${RED}❌ npm:install capability not declared${NC}"
+echo -e "${GREEN}✓ Version: $VERSION${NC}"
+if ! grep -q 'kind = "download_file"' extension.toml; then
+    echo -e "${RED}❌ download_file capability not declared${NC}"
     exit 1
 fi
-if ! grep -q 'package = "css-variable-lsp"' extension.toml; then
-    echo -e "${RED}❌ npm package not specified in capabilities${NC}"
+if ! grep -q 'host = "github.com"' extension.toml; then
+    echo -e "${RED}❌ download_file host not declared${NC}"
+    exit 1
+fi
+if ! grep -q 'path = \["lmn451", "css-lsp-rust", "\*\*"\]' extension.toml; then
+    echo -e "${RED}❌ download_file path not declared${NC}"
     exit 1
 fi
 echo -e "${GREEN}✓ extension.toml valid${NC}"
@@ -67,17 +72,21 @@ if [ "$WASM_SIZE" -lt 10000 ]; then
 fi
 echo -e "${GREEN}✓ WASM file valid (${WASM_SIZE} bytes)${NC}"
 
-# Test 4: Check Rust source for latest-version install logic
-echo -e "\n${YELLOW}Test 4: Verifying LSP version logic in source...${NC}"
-if ! grep -q 'npm_package_latest_version' src/lib.rs; then
-    echo -e "${RED}❌ Latest-version lookup missing in src/lib.rs${NC}"
+# Test 4: Check Rust source for correct version
+echo -e "\n${YELLOW}Test 4: Verifying LSP release settings in source...${NC}"
+if ! grep -q 'CSS_VARIABLES_RELEASE_TAG' src/lib.rs; then
+    echo -e "${RED}❌ Release tag not defined in src/lib.rs${NC}"
+    exit 1
+fi
+if ! grep -q 'CSS_VARIABLES_RELEASE_REPO' src/lib.rs; then
+    echo -e "${RED}❌ Release repo not defined in src/lib.rs${NC}"
     exit 1
 fi
-if ! grep -q 'let package = "css-variable-lsp"' src/lib.rs; then
-    echo -e "${RED}❌ Package name mismatch in src/lib.rs${NC}"
+if ! grep -q 'build_npm_fallback_command' src/lib.rs; then
+    echo -e "${RED}❌ npm fallback not defined in src/lib.rs${NC}"
     exit 1
 fi
-echo -e "${GREEN}✓ Source code version logic correct${NC}"
+echo -e "${GREEN}✓ Source code release settings present (with npm fallback)${NC}"
 
 # Test 5: Verify example files exist for testing
 echo -e "\n${YELLOW}Test 5: Checking example files...${NC}"