diff --git a/rust-engine/Cargo.lock b/rust-engine/Cargo.lock
index 57988d6..b5c21c0 100644
--- a/rust-engine/Cargo.lock
+++ b/rust-engine/Cargo.lock
@@ -2,6 +2,21 @@
 # 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 = "adobe-cmap-parser"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d3da9d617508ab8102c22f05bd772fc225ecb4fde431e38a45284e5c129a4bc"
+dependencies = [
+ "pom 1.1.0",
+]
+
 [[package]]
 name = "allocator-api2"
 version = "0.2.21"
@@ -31,7 +46,7 @@ checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -55,6 +70,12 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 
+[[package]]
+name = "base-x"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cbbc9d0964165b47557570cce6c952866c2678457aca742aafc9fb771d30270"
+
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -85,6 +106,17 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "bstr"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "234113d19d0d7d613b40e86fb654acf958910802bcceab913a4f9e7cda03b1a4"
+dependencies = [
+ "memchr",
+ "regex-automata",
+ "serde",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.19.0"
@@ -154,6 +186,12 @@ version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
+[[package]]
+name = "const_fn"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f8a2ca5ac02d09563609681103aada9e1777d54fc57a5acd7a41404f9c93b6e"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.4"
@@ -194,6 +232,15 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
 
+[[package]]
+name = "crc32fast"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9481c1c90cbf2ac953f07c8d4a58aa3945c425b7185c9154d67a65e4230da511"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crossbeam-queue"
 version = "0.3.12"
@@ -242,6 +289,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "discard"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
+
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -250,7 +303,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -268,6 +321,70 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "encoding"
+version = "0.2.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b0d943856b990d12d3b55b359144ff341533e516d94098b1d3fc1ac666d36ec"
+dependencies = [
+ "encoding-index-japanese",
+ "encoding-index-korean",
+ "encoding-index-simpchinese",
+ "encoding-index-singlebyte",
+ "encoding-index-tradchinese",
+]
+
+[[package]]
+name = "encoding-index-japanese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04e8b2ff42e9a05335dbf8b5c6f7567e5591d0d916ccef4e0b1710d32a0d0c91"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-korean"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dc33fb8e6bcba213fe2f14275f0963fd16f0a02c878e3095ecfdf5bee529d81"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-simpchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d87a7194909b9118fc707194baa434a4e3b0fb6a5a757c73c3adb07aa25031f7"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-singlebyte"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3351d5acffb224af9ca265f435b859c7c01537c0849754d3db3fdf2bfe2ae84a"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-tradchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd0e20d5688ce3cab59eb3ef3a2083a5c77bf496cb798dc6fcdb75f323890c18"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding_index_tests"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569"
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.35"
@@ -304,6 +421,15 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "euclid"
+version = "0.20.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bb7ef65b3777a325d1eeefefab5b6d4959da54747e33bd6258e789640f307ad"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "event-listener"
 version = "5.4.1"
@@ -327,6 +453,16 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "52051878f80a721bb68ebfbc930e07b65ba72f2da88968ea5c06fd6ca3d3a127"
 
+[[package]]
+name = "flate2"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc5a4e564e38c699f2880d3fda590bedc2e69f3f84cd48b457bd892ce61d0aa9"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "flume"
 version = "0.11.1"
@@ -426,7 +562,7 @@ checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -552,7 +688,7 @@ dependencies = [
  "http",
  "httpdate",
  "mime",
- "sha1",
+ "sha1 0.10.6",
 ]
 
 [[package]]
@@ -946,6 +1082,12 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.11.0"
@@ -973,6 +1115,22 @@ version = "0.4.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34080505efa8e45a4b816c349525ebe327ceaa8559756f0356cba97ef3bf7432"
 
+[[package]]
+name = "lopdf"
+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de0f69c40d6dbc68ebac4bf5aec3d9978e094e22e29fcabd045acd9cec74a9dc"
+dependencies = [
+ "encoding",
+ "flate2",
+ "itoa",
+ "linked-hash-map",
+ "log",
+ "pom 3.4.0",
+ "time",
+ "weezl",
+]
+
 [[package]]
 name = "lru-slab"
 version = "0.1.2"
@@ -1011,6 +1169,16 @@ dependencies = [
  "unicase",
 ]
 
+[[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 = "mio"
 version = "1.1.0"
@@ -1141,7 +1309,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -1191,6 +1359,22 @@ dependencies = [
  "windows-link 0.2.1",
 ]
 
+[[package]]
+name = "pdf-extract"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0f21fc45e1b40af7e6c7ca32af35464c1ea7a92e5d2e1465d08c8389e033240"
+dependencies = [
+ "adobe-cmap-parser",
+ "encoding",
+ "euclid",
+ "linked-hash-map",
+ "lopdf",
+ "postscript",
+ "type1-encoding-parser",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -1223,7 +1407,7 @@ checksum = "6e918e4ff8c4549eb882f14b3a4bc8c8bc93de829416eacf579f1207a8fbf861"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -1265,6 +1449,27 @@ version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
 
+[[package]]
+name = "pom"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60f6ce597ecdcc9a098e7fddacb1065093a3d66446fa16c675e7e71d1b5c28e6"
+
+[[package]]
+name = "pom"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c972d8f86e943ad532d0b04e8965a749ad1d18bb981a9c7b3ae72fe7fd7744b"
+dependencies = [
+ "bstr",
+]
+
+[[package]]
+name = "postscript"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78451badbdaebaf17f053fd9152b3ffb33b516104eacb45e7864aaa9c712f306"
+
 [[package]]
 name = "potential_utf"
 version = "0.1.3"
@@ -1283,6 +1488,12 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "proc-macro-hack"
+version = "0.5.20+deprecated"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc375e1527247fe1a97d8b7156678dfe7c1af2fc075c9a4db3690ecd2a148068"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.101"
@@ -1430,6 +1641,12 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "regex-automata"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5276caf25ac86c8d810222b3dbb938e512c55c6831a10f3e6ed1c93b84041f1c"
+
 [[package]]
 name = "reqwest"
 version = "0.12.24"
@@ -1519,6 +1736,7 @@ dependencies = [
  "dotenvy",
  "futures-util",
  "lazy_static",
+ "pdf-extract",
  "reqwest",
  "serde",
  "serde_json",
@@ -1537,6 +1755,15 @@ version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
 
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "rustix"
 version = "1.1.2"
@@ -1641,6 +1868,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "serde"
 version = "1.0.228"
@@ -1668,7 +1910,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -1696,6 +1938,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1da05c97445caa12d05e848c4a4fcbbea29e748ac28f7e80e9b010392063770"
+dependencies = [
+ "sha1_smol",
+]
+
 [[package]]
 name = "sha1"
 version = "0.10.6"
@@ -1707,6 +1958,12 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sha1_smol"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbfa15b3dddfee50a0fff136974b3e1bde555604ba463834a7eb7deb6417705d"
+
 [[package]]
 name = "sha2"
 version = "0.10.9"
@@ -1752,6 +2009,12 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "simd-adler32"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
+
 [[package]]
 name = "slab"
 version = "0.4.11"
@@ -1857,7 +2120,7 @@ dependencies = [
  "quote",
  "sqlx-core",
  "sqlx-macros-core",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -1880,7 +2143,7 @@ dependencies = [
  "sqlx-mysql",
  "sqlx-postgres",
  "sqlx-sqlite",
- "syn",
+ "syn 2.0.107",
  "tokio",
  "url",
 ]
@@ -1918,7 +2181,7 @@ dependencies = [
  "rand 0.8.5",
  "rsa",
  "serde",
- "sha1",
+ "sha1 0.10.6",
  "sha2",
  "smallvec",
  "sqlx-core",
@@ -2000,6 +2263,64 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
 
+[[package]]
+name = "standback"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e113fb6f3de07a243d434a56ec6f186dfd51cb08448239fe7bcae73f87ff28ff"
+dependencies = [
+ "version_check",
+]
+
+[[package]]
+name = "stdweb"
+version = "0.4.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d022496b16281348b52d0e30ae99e01a73d737b2f45d38fed4edf79f9325a1d5"
+dependencies = [
+ "discard",
+ "rustc_version",
+ "stdweb-derive",
+ "stdweb-internal-macros",
+ "stdweb-internal-runtime",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "stdweb-derive"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "stdweb-internal-macros"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
+dependencies = [
+ "base-x",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "sha1 0.6.1",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "stdweb-internal-runtime"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
+
 [[package]]
 name = "stringprep"
 version = "0.1.5"
@@ -2017,6 +2338,17 @@ version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
+[[package]]
+name = "syn"
+version = "1.0.109"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.107"
@@ -2045,7 +2377,7 @@ checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -2099,7 +2431,7 @@ checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -2111,6 +2443,44 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "time"
+version = "0.2.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4752a97f8eebd6854ff91f1c1824cd6160626ac4bd44287f7f4ea2035a02a242"
+dependencies = [
+ "const_fn",
+ "libc",
+ "standback",
+ "stdweb",
+ "time-macros",
+ "version_check",
+ "winapi",
+]
+
+[[package]]
+name = "time-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "957e9c6e26f12cb6d0dd7fc776bb67a706312e7299aed74c8dd5b17ebb27e2f1"
+dependencies = [
+ "proc-macro-hack",
+ "time-macros-impl",
+]
+
+[[package]]
+name = "time-macros-impl"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd3c141a1b43194f3f56a1411225df8646c55781d5f26db825b3d98507eb482f"
+dependencies = [
+ "proc-macro-hack",
+ "proc-macro2",
+ "quote",
+ "standback",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "tinystr"
 version = "0.8.1"
@@ -2161,7 +2531,7 @@ checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -2273,7 +2643,7 @@ checksum = "81383ab64e72a7a8b8e13130c49e3dab29def6d0c7d76a03087b3cf71c5c6903"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -2317,6 +2687,15 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
+[[package]]
+name = "type1-encoding-parser"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3d6cc09e1a99c7e01f2afe4953789311a1c50baebbdac5b477ecf78e2e92a5b"
+dependencies = [
+ "pom 1.1.0",
+]
+
 [[package]]
 name = "typenum"
 version = "1.19.0"
@@ -2493,7 +2872,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
  "wasm-bindgen-shared",
 ]
 
@@ -2528,7 +2907,7 @@ checksum = "9f07d2f20d4da7b26400c9f4a0511e6e0345b040694e8a75bd41d578fa4421d7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -2580,6 +2959,12 @@ dependencies = [
  "rustls-pki-types",
 ]
 
+[[package]]
+name = "weezl"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a751b3277700db47d3e574514de2eced5e54dc8a5436a3bf7a0b248b2cee16f3"
+
 [[package]]
 name = "whoami"
 version = "1.6.1"
@@ -2590,6 +2975,28 @@ dependencies = [
  "wasite",
 ]
 
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
 [[package]]
 name = "windows-core"
 version = "0.62.2"
@@ -2611,7 +3018,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -2622,7 +3029,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -2947,7 +3354,7 @@ checksum = "38da3c9736e16c5d3c8c597a9aaa5d1fa565d0532ae05e27c24aa62fb32c0ab6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
  "synstructure",
 ]
 
@@ -2968,7 +3375,7 @@ checksum = "88d2b8d9c68ad2b9e4340d7832716a4d21a22a1154777ad56ea55c51a9cf3831"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
 
 [[package]]
@@ -2988,7 +3395,7 @@ checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
  "synstructure",
 ]
 
@@ -3028,5 +3435,5 @@ checksum = "5b96237efa0c878c64bd89c436f661be4e46b2f3eff1ebb976f7ef2321d2f58f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.107",
 ]
diff --git a/rust-engine/Cargo.toml b/rust-engine/Cargo.toml
index 8613870..ccbb0b2 100644
--- a/rust-engine/Cargo.toml
+++ b/rust-engine/Cargo.toml
@@ -23,3 +23,4 @@ tokio-util = "0.7"
 futures-util = "0.3"
 lazy_static = "1.4"
 bytes = "1.4"
+pdf-extract = "0.6"
diff --git a/rust-engine/src/file_worker.rs b/rust-engine/src/file_worker.rs
index c9ec244..4316d67 100644
--- a/rust-engine/src/file_worker.rs
+++ b/rust-engine/src/file_worker.rs
@@ -1,9 +1,11 @@
 use crate::gemini_client::{demo_text_embedding, generate_text_with_model, DEMO_EMBED_DIM};
 use crate::vector;
 use crate::vector_db::QdrantClient;
-use anyhow::Result;
+use anyhow::{anyhow, Context, Result};
+use pdf_extract::extract_text;
 use sqlx::MySqlPool;
-use tracing::{error, info};
+use std::path::PathBuf;
+use tracing::{error, info, warn};
 
 pub struct FileWorker {
     pool: MySqlPool,
@@ -72,17 +74,33 @@ impl FileWorker {
             .fetch_one(&self.pool)
             .await?;
         let filename: String = row.get("filename");
-        let _path: String = row.get("path");
+        let path: String = row.get("path");
+
+        let (file_excerpt, truncated) = match extract_file_excerpt(&path).await {
+            Ok(res) => res,
+            Err(err) => {
+                error!(file_id, %filename, %path, error = ?err, "failed to extract text from file; continuing with filename only");
+                (String::new(), false)
+            }
+        };
+        if file_excerpt.is_empty() {
+            warn!(file_id, %filename, %path, "extracted excerpt is empty; prompts may lack context");
+        }
+
+        let excerpt_note = if truncated {
+            "(excerpt truncated for prompt size)"
+        } else {
+            ""
+        };
 
         // Stage 1: Gemini 2.5 Flash for description
-        let desc = generate_text_with_model(
-            "gemini-2.5-flash",
-            &format!(
-                "Describe the file '{filename}' and extract all key components, keywords, and details for later vectorization. Be comprehensive and factual."
-            ),
-        )
-        .await
-        .unwrap_or_else(|e| format!("[desc error: {}]", e));
+        let desc_prompt = format!(
+            "You are reviewing the PDF file '{filename}'. Use the following extracted text {excerpt_note} to produce a concise, factual description and key highlights that will help downstream search and reasoning.\n\n--- BEGIN EXCERPT ---\n{}\n--- END EXCERPT ---",
+            file_excerpt
+        );
+        let desc = generate_text_with_model("gemini-2.5-flash", &desc_prompt)
+            .await
+            .unwrap_or_else(|e| format!("[desc error: {}]", e));
         sqlx::query(
             "UPDATE files SET description = ?, analysis_status = 'InProgress' WHERE id = ?",
         )
@@ -92,14 +110,13 @@ impl FileWorker {
         .await?;
 
         // Stage 2: Gemini 2.5 Pro for deep vector graph data
-        let vector_graph = generate_text_with_model(
-            "gemini-2.5-pro",
-            &format!(
-                "Given the file '{filename}' and its description: {desc}\nGenerate a set of vector graph data (keywords, use cases, relationships) that can be used for broad and precise search. Only include what is directly supported by the file."
-            ),
-        )
-        .await
-        .unwrap_or_else(|e| format!("[vector error: {}]", e));
+        let vector_prompt = format!(
+            "You are constructing vector search metadata for the PDF file '{filename}'.\nCurrent description: {desc}\nUse the extracted text {excerpt_note} below to derive precise keywords, thematic clusters, and relationships that are explicitly supported by the content. Provide richly structured bullet points grouped by themes.\n\n--- BEGIN EXCERPT ---\n{}\n--- END EXCERPT ---",
+            file_excerpt
+        );
+        let vector_graph = generate_text_with_model("gemini-2.5-pro", &vector_prompt)
+            .await
+            .unwrap_or_else(|e| format!("[vector error: {}]", e));
 
         // Stage 3: Embed and upsert to Qdrant
         let emb = demo_text_embedding(&vector_graph).await?;
@@ -138,3 +155,72 @@ impl FileWorker {
         Ok(())
     }
 }
+
+// Maximum number of characters from the extracted text to include in prompts.
+const MAX_EXCERPT_CHARS: usize = 4000;
+
+async fn extract_file_excerpt(path: &str) -> Result<(String, bool)> {
+    let path_buf = PathBuf::from(path);
+    let extension = path_buf
+        .extension()
+        .and_then(|e| e.to_str())
+        .map(|s| s.to_ascii_lowercase())
+        .unwrap_or_default();
+
+    let raw_text = if extension == "pdf" {
+        let pdf_path = path_buf.clone();
+        tokio::task::spawn_blocking(move || extract_text(&pdf_path))
+            .await
+            .map_err(|e| anyhow!("pdf text extraction task panicked: {e}"))??
+    } else {
+        let bytes = tokio::fs::read(&path_buf)
+            .await
+            .with_context(|| format!("reading file bytes from {path}"))?;
+        String::from_utf8_lossy(&bytes).into_owned()
+    };
+
+    let cleaned = raw_text.replace('\r', "");
+    let condensed = collapse_whitespace(&cleaned);
+    let (excerpt, truncated) = truncate_to_chars(&condensed, MAX_EXCERPT_CHARS);
+
+    Ok((excerpt, truncated))
+}
+
+fn truncate_to_chars(text: &str, max_chars: usize) -> (String, bool) {
+    if max_chars == 0 {
+        return (String::new(), !text.is_empty());
+    }
+
+    let mut result = String::new();
+    let mut chars = text.chars();
+    for _ in 0..max_chars {
+        match chars.next() {
+            Some(ch) => result.push(ch),
+            None => return (result, false),
+        }
+    }
+
+    if chars.next().is_some() {
+        result.push('…');
+        (result, true)
+    } else {
+        (result, false)
+    }
+}
+
+fn collapse_whitespace(input: &str) -> String {
+    let mut output = String::with_capacity(input.len());
+    let mut prev_was_ws = false;
+    for ch in input.chars() {
+        if ch.is_whitespace() {
+            if !prev_was_ws {
+                output.push(' ');
+            }
+            prev_was_ws = true;
+        } else {
+            prev_was_ws = false;
+            output.push(ch);
+        }
+    }
+    output.trim().to_string()
+}