diff --git a/Cargo.lock b/Cargo.lock
index c4fe874a..c0bd3a5d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -274,7 +274,7 @@ dependencies = [
  "arrow-schema",
  "chrono",
  "half",
- "indexmap",
+ "indexmap 2.14.0",
  "itoa",
  "lexical-core",
  "memchr",
@@ -1849,7 +1849,7 @@ dependencies = [
  "chrono",
  "half",
  "hashbrown 0.16.1",
- "indexmap",
+ "indexmap 2.14.0",
  "libc",
  "log",
  "object_store",
@@ -2048,7 +2048,7 @@ dependencies = [
  "datafusion-functions-aggregate-common",
  "datafusion-functions-window-common",
  "datafusion-physical-expr-common",
- "indexmap",
+ "indexmap 2.14.0",
  "itertools 0.14.0",
  "paste",
  "recursive",
@@ -2064,7 +2064,7 @@ checksum = "1b486b5f6255d40976b88bb83813b0d035a8333e0ec39864824e78068cf42fa6"
 dependencies = [
  "arrow",
  "datafusion-common",
- "indexmap",
+ "indexmap 2.14.0",
  "itertools 0.14.0",
  "paste",
 ]
@@ -2224,7 +2224,7 @@ dependencies = [
  "datafusion-expr",
  "datafusion-expr-common",
  "datafusion-physical-expr",
- "indexmap",
+ "indexmap 2.14.0",
  "itertools 0.14.0",
  "log",
  "recursive",
@@ -2247,7 +2247,7 @@ dependencies = [
  "datafusion-physical-expr-common",
  "half",
  "hashbrown 0.16.1",
- "indexmap",
+ "indexmap 2.14.0",
  "itertools 0.14.0",
  "parking_lot",
  "paste",
@@ -2283,7 +2283,7 @@ dependencies = [
  "datafusion-common",
  "datafusion-expr-common",
  "hashbrown 0.16.1",
- "indexmap",
+ "indexmap 2.14.0",
  "itertools 0.14.0",
  "parking_lot",
 ]
@@ -2330,7 +2330,7 @@ dependencies = [
  "futures",
  "half",
  "hashbrown 0.16.1",
- "indexmap",
+ "indexmap 2.14.0",
  "itertools 0.14.0",
  "log",
  "parking_lot",
@@ -2418,7 +2418,7 @@ dependencies = [
  "chrono",
  "datafusion-common",
  "datafusion-expr",
- "indexmap",
+ "indexmap 2.14.0",
  "log",
  "recursive",
  "regex",
@@ -2476,7 +2476,7 @@ dependencies = [
  "crc",
  "delta_kernel_derive",
  "futures",
- "indexmap",
+ "indexmap 2.14.0",
  "itertools 0.14.0",
  "object_store",
  "parquet",
@@ -2592,7 +2592,7 @@ dependencies = [
  "either",
  "futures",
  "humantime",
- "indexmap",
+ "indexmap 2.14.0",
  "itertools 0.14.0",
  "num_cpus",
  "object_store",
@@ -2767,6 +2767,12 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "92773504d58c093f6de2459af4af33faa518c13451eb8f2b5698ed3d36e7c813"
 
+[[package]]
+name = "dyn-clone"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
+
 [[package]]
 name = "earcutr"
 version = "0.4.3"
@@ -2952,9 +2958,9 @@ checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
 
 [[package]]
 name = "fsst"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b3a6f3550e61b999febd7168d462db953948eff4fc3448276b3d10d10324dbb"
+checksum = "2195cc7f87e84bd695586137de99605e7e9579b26ec5e01b82960ddb4d0922f2"
 dependencies = [
  "arrow-array",
  "rand 0.9.4",
@@ -3281,7 +3287,7 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "http 1.4.0",
- "indexmap",
+ "indexmap 2.14.0",
  "slab",
  "tokio",
  "tokio-util",
@@ -3309,6 +3315,12 @@ dependencies = [
  "byteorder",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
 [[package]]
 name = "hashbrown"
 version = "0.14.5"
@@ -3763,14 +3775,25 @@ dependencies = [
 
 [[package]]
 name = "idna_adapter"
-version = "1.2.1"
+version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3acae9609540aa318d1bc588455225fb2085b9ed0c4f6bd0d9d5bcd86f1a0344"
+checksum = "cb68373c0d6620ef8105e855e7745e18b0d00d3bdb07fb532e434244cdb9a714"
 dependencies = [
  "icu_normalizer",
  "icu_properties",
 ]
 
+[[package]]
+name = "indexmap"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+dependencies = [
+ "autocfg",
+ "hashbrown 0.12.3",
+ "serde",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.14.0"
@@ -3921,9 +3944,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.95"
+version = "0.3.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2964e92d1d9dc3364cae4d718d93f227e3abb088e747d92e0395bfdedf1c12ca"
+checksum = "a1840c94c045fbcf8ba2812c95db44499f7c64910a912551aaaa541decebcacf"
 dependencies = [
  "cfg-if",
  "futures-util",
@@ -3968,9 +3991,9 @@ dependencies = [
 
 [[package]]
 name = "lance"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f63e285ceee2b4ca8eb3a8742266cc1ac8161599767a8ecb4d8c2f9fd43d8b29"
+checksum = "efe6c3ddd79cdfd2b7e1c23cafae52806906bc40fbd97de9e8cf2f8c7a75fc04"
 dependencies = [
  "arrow",
  "arrow-arith",
@@ -4036,9 +4059,9 @@ dependencies = [
 
 [[package]]
 name = "lance-arrow"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c55e62fc04422ef4cd4af6f863ada32641ae23124f9b2e9c567a40d617e8c97"
+checksum = "5d9f5d95bdda2a2b790f1fb8028b5b6dcf661abeb3133a8bca0f3d24b054af87"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -4058,9 +4081,9 @@ dependencies = [
 
 [[package]]
 name = "lance-bitpacking"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a48d232a2908645af0040f96c60a6387fea2df75e762d7033e93e17bb420c6a1"
+checksum = "f827d6ab9f8f337a9509d5ad66a12f3314db8713868260521c344ef6135eb4e4"
 dependencies = [
  "arrayref",
  "paste",
@@ -4069,9 +4092,9 @@ dependencies = [
 
 [[package]]
 name = "lance-core"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce071baaff88fcdcf67f1dd0af54e17656f52ae75aaeb75f25f9cf4da29241f2"
+checksum = "0f1e25df6a79bf72ee6bcde0851f19b1cd36c5848c1b7db83340882d3c9fdecb"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -4108,9 +4131,9 @@ dependencies = [
 
 [[package]]
 name = "lance-datafusion"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11ebc97ee94fa8e1af6fd0520066c7e7e0eab38a100e750ba9aabad644c5aa57"
+checksum = "93146de8ae720cb90edef81c2f2d0a1b065fc2f23ecff2419546f389b0fa70a4"
 dependencies = [
  "arrow",
  "arrow-array",
@@ -4141,9 +4164,9 @@ dependencies = [
 
 [[package]]
 name = "lance-datagen"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b90dbb2829875b3a3d00f88fd3a3e39a9e4c7d34c266f67da6550fcda54c76e"
+checksum = "ccec8ce4d8e0a87a99c431dab2364398029f2ffb649c1a693c60c79e05ed30dd"
 dependencies = [
  "arrow",
  "arrow-array",
@@ -4161,9 +4184,9 @@ dependencies = [
 
 [[package]]
 name = "lance-encoding"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65ec429cc2e18ad1b7e43cc7ec57a2f2e49229cfbd934da45e619751a886b8cd"
+checksum = "5c1aec0bbbac6bce829bc10f1ba066258126100596c375fb71908ecf11c2c2a5"
 dependencies = [
  "arrow-arith",
  "arrow-array",
@@ -4200,9 +4223,9 @@ dependencies = [
 
 [[package]]
 name = "lance-file"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "418afe3f82487615fa09222b95a4b5853103f3f0425996d24a537ca750381f83"
+checksum = "14a8c548804f5b17486dc2d3282356ed1957095a852780283bc401fdd69e9075"
 dependencies = [
  "arrow-arith",
  "arrow-array",
@@ -4234,9 +4257,9 @@ dependencies = [
 
 [[package]]
 name = "lance-geo"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c588fa29b313b98d10eb75d8a4a70627935ce84a3a87584dc99e03730ba52358"
+checksum = "9c8467185e6379cc0a0982caa88b000ac24b1f1fb4353dc65b81d00ba15e2eb8"
 dependencies = [
  "datafusion",
  "geo-traits",
@@ -4274,6 +4297,7 @@ dependencies = [
  "lance-index",
  "lance-linalg",
  "lance-namespace",
+ "lancedb",
  "ndarray 0.17.2",
  "nom 7.1.3",
  "serde",
@@ -4371,9 +4395,9 @@ dependencies = [
 
 [[package]]
 name = "lance-index"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "936b3deeb6ee075646d18f27b01cf2d2e846c3f5f6c5fa45b30aa41dd5b4c4e2"
+checksum = "2da212f0090ea59f79ac3686660f596520c167fe1cb5f408900cf71d215f0e03"
 dependencies = [
  "arrow",
  "arrow-arith",
@@ -4441,9 +4465,9 @@ dependencies = [
 
 [[package]]
 name = "lance-io"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4103e4cebe146af15bfb198c8142d6ea37d5b25fa04158bf2d9be4597bf174d3"
+checksum = "41d958eb4b56f03bbe0f5f85eb2b4e9657882812297b6f711f201ffc995f259f"
 dependencies = [
  "arrow",
  "arrow-arith",
@@ -4484,9 +4508,9 @@ dependencies = [
 
 [[package]]
 name = "lance-linalg"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c00c7ad71eca93635404519e77add6689947c9342134bb2133578f81249bf809"
+checksum = "0285b70da35def7ed95e150fae1d5308089554e1290470403ed3c50cb235bc5e"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -4502,9 +4526,9 @@ dependencies = [
 
 [[package]]
 name = "lance-namespace"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0c59a574e72a4b72da8096bcaaa1b1e5b44f6a83da164cc714c286fab30c369"
+checksum = "5f78e2a828b654e062a495462c6e3eb4fcf0e7e907d761b8f217fc09ccd3ceac"
 dependencies = [
  "arrow",
  "async-trait",
@@ -4515,6 +4539,34 @@ dependencies = [
  "snafu 0.9.0",
 ]
 
+[[package]]
+name = "lance-namespace-impls"
+version = "4.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2392314f3da38f00d166295e44244208a65ccfc256e274fa8631849fc3f4d94"
+dependencies = [
+ "arrow",
+ "arrow-ipc",
+ "arrow-schema",
+ "async-trait",
+ "bytes",
+ "chrono",
+ "futures",
+ "lance",
+ "lance-core",
+ "lance-index",
+ "lance-io",
+ "lance-namespace",
+ "lance-table",
+ "log",
+ "object_store",
+ "rand 0.9.4",
+ "serde_json",
+ "snafu 0.9.0",
+ "tokio",
+ "url",
+]
+
 [[package]]
 name = "lance-namespace-reqwest-client"
 version = "0.6.1"
@@ -4530,9 +4582,9 @@ dependencies = [
 
 [[package]]
 name = "lance-table"
-version = "4.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "943b9c503f23ebab9e0dbee356f528bc4cbcafded87a6848451f205b0bb473d7"
+checksum = "3df9c4adca3eb2074b3850432a9fb34248a3d90c3d6427d158b13ff9355664ee"
 dependencies = [
  "arrow",
  "arrow-array",
@@ -4567,6 +4619,81 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "lance-testing"
+version = "4.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ed7119bdd6983718387b4ac44af873a165262ca94f181b104cd6f97912eb3bf"
+dependencies = [
+ "arrow-array",
+ "arrow-schema",
+ "lance-arrow",
+ "num-traits",
+ "rand 0.9.4",
+]
+
+[[package]]
+name = "lancedb"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce0f4d7f739dc30608fe8b202cbb40986c2937e1a5a189f98fb06d7b8543156a"
+dependencies = [
+ "ahash",
+ "arrow",
+ "arrow-array",
+ "arrow-cast",
+ "arrow-data",
+ "arrow-ipc",
+ "arrow-ord",
+ "arrow-schema",
+ "arrow-select",
+ "async-trait",
+ "bytes",
+ "chrono",
+ "datafusion",
+ "datafusion-catalog",
+ "datafusion-common",
+ "datafusion-execution",
+ "datafusion-expr",
+ "datafusion-functions",
+ "datafusion-physical-expr",
+ "datafusion-physical-plan",
+ "datafusion-sql",
+ "futures",
+ "half",
+ "lance",
+ "lance-arrow",
+ "lance-core",
+ "lance-datafusion",
+ "lance-datagen",
+ "lance-encoding",
+ "lance-file",
+ "lance-index",
+ "lance-io",
+ "lance-linalg",
+ "lance-namespace",
+ "lance-namespace-impls",
+ "lance-table",
+ "lance-testing",
+ "lazy_static",
+ "log",
+ "moka",
+ "num-traits",
+ "object_store",
+ "pin-project",
+ "rand 0.9.4",
+ "regex",
+ "semver",
+ "serde",
+ "serde_json",
+ "serde_with",
+ "snafu 0.8.9",
+ "tempfile",
+ "tokio",
+ "url",
+ "uuid",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -5493,7 +5620,7 @@ checksum = "8701b58ea97060d5e5b155d383a69952a60943f0e6dfe30b04c287beb0b27455"
 dependencies = [
  "fixedbitset",
  "hashbrown 0.15.5",
- "indexmap",
+ "indexmap 2.14.0",
  "serde",
 ]
 
@@ -6065,6 +6192,26 @@ dependencies = [
  "thiserror 2.0.18",
 ]
 
+[[package]]
+name = "ref-cast"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f354300ae66f76f1c85c5f84693f0ce81d747e2c3f21a45fef496d89c960bf7d"
+dependencies = [
+ "ref-cast-impl",
+]
+
+[[package]]
+name = "ref-cast-impl"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7186006dcb21920990093f30e3dea63b7d6e977bf1256be20c3563a5db070da"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "regex"
 version = "1.12.3"
@@ -6401,6 +6548,30 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "schemars"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cd191f9397d57d581cddd31014772520aa448f65ef991055d7f61582c65165f"
+dependencies = [
+ "dyn-clone",
+ "ref-cast",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "schemars"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2b42f36aa1cd011945615b92222f6bf73c599a102a300334cd7f8dbeec726cc"
+dependencies = [
+ "dyn-clone",
+ "ref-cast",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "scoped-tls"
 version = "1.0.1"
@@ -6536,13 +6707,44 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_with"
+version = "3.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd5414fad8e6907dbdd5bc441a50ae8d6e26151a03b1de04d89a5576de61d01f"
+dependencies = [
+ "base64",
+ "chrono",
+ "hex",
+ "indexmap 1.9.3",
+ "indexmap 2.14.0",
+ "schemars 0.9.0",
+ "schemars 1.2.1",
+ "serde_core",
+ "serde_json",
+ "serde_with_macros",
+ "time",
+]
+
+[[package]]
+name = "serde_with_macros"
+version = "3.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3db8978e608f1fe7357e211969fd9abdcae80bac1ba7a3369bb7eb6b404eb65"
+dependencies = [
+ "darling 0.23.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "serde_yml"
 version = "0.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59e2dd588bf1597a252c3b920e0143eb99b0f76e4e082f4c92ce34fbc9e71ddd"
 dependencies = [
- "indexmap",
+ "indexmap 2.14.0",
  "itoa",
  "libyml",
  "memchr",
@@ -7353,7 +7555,7 @@ version = "0.25.11+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b59c4d22ed448339746c59b905d24568fcbb3ab65a500494f7b8c3e97739f2b"
 dependencies = [
- "indexmap",
+ "indexmap 2.14.0",
  "toml_datetime",
  "toml_parser",
  "winnow",
@@ -7757,9 +7959,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.118"
+version = "0.2.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bf938a0bacb0469e83c1e148908bd7d5a6010354cf4fb73279b7447422e3a89"
+checksum = "df52b6d9b87e0c74c9edfa1eb2d9bf85e5d63515474513aa50fa181b3c4f5db1"
 dependencies = [
  "cfg-if",
  "once_cell",
@@ -7770,9 +7972,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.68"
+version = "0.4.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f371d383f2fb139252e0bfac3b81b265689bf45b6874af544ffa4c975ac1ebf8"
+checksum = "af934872acec734c2d80e6617bbb5ff4f12b052dd8e6332b0817bce889516084"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -7780,9 +7982,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.118"
+version = "0.2.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eeff24f84126c0ec2db7a449f0c2ec963c6a49efe0698c4242929da037ca28ed"
+checksum = "78b1041f495fb322e64aca85f5756b2172e35cd459376e67f2a6c9dffcedb103"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -7790,9 +7992,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.118"
+version = "0.2.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d08065faf983b2b80a79fd87d8254c409281cf7de75fc4b773019824196c904"
+checksum = "9dcd0ff20416988a18ac686d4d4d0f6aae9ebf08a389ff5d29012b05af2a1b41"
 dependencies = [
  "bumpalo",
  "proc-macro2",
@@ -7803,9 +8005,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.118"
+version = "0.2.120"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fd04d9e306f1907bd13c6361b5c6bfc7b3b3c095ed3f8a9246390f8dbdee129"
+checksum = "49757b3c82ebf16c57d69365a142940b384176c24df52a087fb748e2085359ea"
 dependencies = [
  "unicode-ident",
 ]
@@ -7827,7 +8029,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
 dependencies = [
  "anyhow",
- "indexmap",
+ "indexmap 2.14.0",
  "wasm-encoder",
  "wasmparser",
 ]
@@ -7853,15 +8055,15 @@ checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
 dependencies = [
  "bitflags",
  "hashbrown 0.15.5",
- "indexmap",
+ "indexmap 2.14.0",
  "semver",
 ]
 
 [[package]]
 name = "web-sys"
-version = "0.3.95"
+version = "0.3.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f2dfbb17949fa2088e5d39408c48368947b86f7834484e87b73de55bc14d97d"
+checksum = "2eadbac71025cd7b0834f20d1fe8472e8495821b4e9801eb0a60bd1f19827602"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -8218,7 +8420,7 @@ checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
 dependencies = [
  "anyhow",
  "heck",
- "indexmap",
+ "indexmap 2.14.0",
  "prettyplease",
  "syn 2.0.117",
  "wasm-metadata",
@@ -8249,7 +8451,7 @@ checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
 dependencies = [
  "anyhow",
  "bitflags",
- "indexmap",
+ "indexmap 2.14.0",
  "log",
  "serde",
  "serde_derive",
@@ -8268,7 +8470,7 @@ checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
 dependencies = [
  "anyhow",
  "id-arena",
- "indexmap",
+ "indexmap 2.14.0",
  "log",
  "semver",
  "serde",
diff --git a/crates/holograph/Cargo.toml b/crates/holograph/Cargo.toml
index 0ebf89b3..91b8f978 100644
--- a/crates/holograph/Cargo.toml
+++ b/crates/holograph/Cargo.toml
@@ -35,7 +35,7 @@ arrow-buffer = "57"
 datafusion = { version = "52", optional = true }
 
 # Lance columnar format — 100x faster random access than Parquet
-lance = { version = "4", optional = true, default-features = false }
+lance = { version = "=4.0.0", optional = true, default-features = false }
 
 # Async runtime
 tokio = { version = "1.49", features = ["rt-multi-thread", "macros"], optional = true }
diff --git a/crates/lance-graph-benches/Cargo.toml b/crates/lance-graph-benches/Cargo.toml
index 74ba01d5..a4e0a0d0 100644
--- a/crates/lance-graph-benches/Cargo.toml
+++ b/crates/lance-graph-benches/Cargo.toml
@@ -7,7 +7,7 @@ description = "Benchmarks for lance-graph (not published)"
 
 [dependencies]
 lance-graph = { path = "../lance-graph", version = "0.5.3" }
-lance = "4"
+lance = "=4.0.0"
 arrow-array = "57"
 arrow-schema = "57"
 criterion = { version = "0.5", features = ["async", "async_tokio", "html_reports"] }
diff --git a/crates/lance-graph-callcenter/Cargo.toml b/crates/lance-graph-callcenter/Cargo.toml
index 0d3c020b..e6572e21 100644
--- a/crates/lance-graph-callcenter/Cargo.toml
+++ b/crates/lance-graph-callcenter/Cargo.toml
@@ -12,7 +12,7 @@ lance-graph-contract = { path = "../lance-graph-contract" }
 
 # [persist] — Arrow RecordBatch + Lance dataset ops
 arrow       = { version = "57", optional = true }
-lance       = { version = "4",  optional = true }
+lance       = { version = "=4.0.0",  optional = true }
 
 # [query] / [query-lite] — DataFusion. Base dep has default-features = false.
 # The full `query` feature adds datafusion/default (compression backends etc).
diff --git a/crates/lance-graph-catalog/Cargo.toml b/crates/lance-graph-catalog/Cargo.toml
index 014b4041..19998a36 100644
--- a/crates/lance-graph-catalog/Cargo.toml
+++ b/crates/lance-graph-catalog/Cargo.toml
@@ -14,7 +14,7 @@ categories = ["database", "data-structures", "science"]
 arrow-schema = "57"
 async-trait = "0.1"
 datafusion = { version = "52", default-features = false }
-lance-namespace = "4"
+lance-namespace = "=4.0.0"
 reqwest = { version = "0.12", features = ["json"], optional = true }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
diff --git a/crates/lance-graph/Cargo.toml b/crates/lance-graph/Cargo.toml
index 5d0c3a1a..8b1a9e59 100644
--- a/crates/lance-graph/Cargo.toml
+++ b/crates/lance-graph/Cargo.toml
@@ -33,9 +33,10 @@ datafusion-functions-aggregate = "52"
 futures = "0.3"
 lance-graph-catalog = { path = "../lance-graph-catalog", version = "0.5.4" }
 lance-graph-contract = { path = "../lance-graph-contract" }
-lance = "4"
-lance-linalg = "4"
-lance-namespace = "4"
+lance = "=4.0.0"
+lance-linalg = "=4.0.0"
+lance-namespace = "=4.0.0"
+lancedb = { version = "=0.27.2", optional = true, default-features = false }
 nom = "7.1"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
@@ -60,6 +61,10 @@ bgz-tensor = { path = "../bgz-tensor", optional = true }
 default = ["unity-catalog", "delta", "ndarray-hpc", "planner", "bgz17-codec", "tensor-codec"]
 unity-catalog = ["lance-graph-catalog/unity-catalog"]
 delta = ["dep:deltalake", "dep:url"]
+# lancedb: high-level table/connection API (Python/JS SDK equivalent in Rust).
+# Enables LanceDB-compatible connection strings, table management, and the
+# vector search API surface that third-party tooling (DuckDB ext, Polars) expects.
+lancedb-sdk = ["dep:lancedb"]
 # ndarray-hpc: use AdaWorldAPI/ndarray for Fingerprint<256>, CAM-PQ, CLAM, BLAS, ZeckF64.
 # Disable for minimal builds (CI, wasm, embedded) — falls back to standalone ndarray_bridge.rs.
 ndarray-hpc = ["dep:ndarray"]
@@ -72,7 +77,7 @@ tensor-codec = ["dep:bgz-tensor"]
 
 [dev-dependencies]
 futures = "0.3"
-lance-arrow = "4"
-lance-index = "4"
+lance-arrow = "=4.0.0"
+lance-index = "=4.0.0"
 tempfile = "3"
 tokio = { version = "1.37", features = ["macros", "rt-multi-thread"] }