feat(knowledge): Phase B+C 文档提取器 + multipart 文件上传

- PDF 提取 (pdf-extract) + DOCX 提取 (zip+quick-xml) + Excel 解析 (calamine)
- 统一格式路由 detect_format() → RAG 通道或结构化通道
- POST /api/v1/knowledge/upload multipart 文件上传
- PDF/DOCX/Markdown → RAG 管线，Excel → structured_rows JSONB
- 结构化数据源 CRUD API (GET/DELETE /api/v1/structured/sources)
- POST /api/v1/structured/query JSONB 关键词查询
- 修复 industry/service.rs SaasError::Database 类型不匹配

Cargo.lock

@@ -17,6 +17,15 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
 
+[[package]]
+name = "adobe-cmap-parser"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae8abfa9a4688de8fc9f42b3f013b6fffec18ed8a554f5f113577e0b9b3212a3"
+dependencies = [
+ "pom 1.1.0",
+]
+
 [[package]]
 name = "aead"
 version = "0.5.2"
@@ -381,6 +390,7 @@ dependencies = [
  "matchit",
  "memchr",
  "mime",
+ "multer",
  "percent-encoding",
  "pin-project-lite",
  "rustversion",
@@ -621,6 +631,25 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bzip2"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49ecfb22d906f800d4fe833b6282cf4dc1c298f5057ca0b5445e5c209735ca47"
+dependencies = [
+ "bzip2-sys",
+]
+
+[[package]]
+name = "bzip2-sys"
+version = "0.1.13+1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "225bff33b2141874fe80d71e07d6eec4f85c5c216453dd96388240f96e1acc14"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
+
 [[package]]
 name = "cairo-rs"
 version = "0.18.5"
@@ -646,6 +675,21 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "calamine"
+version = "0.26.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138646b9af2c5d7f1804ea4bf93afc597737d2bd4f7341d67c48b03316976eb1"
+dependencies = [
+ "byteorder",
+ "codepage",
+ "encoding_rs",
+ "log",
+ "quick-xml 0.31.0",
+ "serde",
+ "zip 2.4.2",
+]
+
 [[package]]
 name = "camino"
 version = "1.2.2"
@@ -779,6 +823,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a0dd1ca384932ff3641c8718a02769f1698e7563dc6974ffd03346116310423"
 dependencies = [
  "find-msvc-tools",
+ "jobserver",
+ "libc",
  "shlex",
 ]
 
@@ -906,6 +952,15 @@ dependencies = [
  "thiserror 2.0.18",
 ]
 
+[[package]]
+name = "codepage"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48f68d061bc2828ae826206326e61251aca94c1e4a5305cf52d9138639c918b4"
+dependencies = [
+ "encoding_rs",
+]
+
 [[package]]
 name = "color_quant"
 version = "1.1.0"
@@ -1458,6 +1513,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "deflate64"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac6b926516df9c60bfa16e107b21086399f8285a44ca9711344b9e553c5146e2"
+
 [[package]]
 name = "der"
 version = "0.7.10"
@@ -1904,6 +1965,15 @@ 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 = "2.5.3"
@@ -2371,7 +2441,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1c422344482708cb32db843cf3f55f27918cd24fec7b505bde895a1e8702c34"
 dependencies = [
  "derive_more 0.99.20",
- "lopdf",
+ "lopdf 0.26.0",
  "printpdf",
  "rusttype",
 ]
@@ -3289,6 +3359,16 @@ dependencies = [
  "syn 2.0.117",
 ]
 
+[[package]]
+name = "jobserver"
+version = "0.1.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9afb3de4395d6b3e67a780b6de64b51c978ecf11cb9a462c66be7d4ca9039d33"
+dependencies = [
+ "getrandom 0.3.4",
+ "libc",
+]
+
 [[package]]
 name = "jpeg-decoder"
 version = "0.3.2"
@@ -3537,16 +3617,55 @@ dependencies = [
  "linked-hash-map",
  "log",
  "lzw",
- "pom",
+ "pom 3.4.0",
  "time 0.2.27",
 ]
 
+[[package]]
+name = "lopdf"
+version = "0.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5c8ecfc6c72051981c0459f75ccc585e7ff67c70829560cda8e647882a9abff"
+dependencies = [
+ "encoding_rs",
+ "flate2",
+ "indexmap 2.13.0",
+ "itoa 1.0.18",
+ "log",
+ "md-5",
+ "nom",
+ "rangemap",
+ "time 0.3.47",
+ "weezl",
+]
+
 [[package]]
 name = "lru-slab"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "112b39cec0b298b6c1999fee3e31427f74f676e4cb9879ed1a121b43661a4154"
 
+[[package]]
+name = "lzma-rs"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "297e814c836ae64db86b36cf2a557ba54368d03f6afcd7d947c266692f71115e"
+dependencies = [
+ "byteorder",
+ "crc",
+]
+
+[[package]]
+name = "lzma-sys"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fda04ab3764e6cde78b9974eec4f779acaba7c4e84b36eca3cf77c581b85d27"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "lzw"
 version = "0.10.0"
@@ -4251,6 +4370,31 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df94ce210e5bc13cb6651479fa48d14f601d9858cfe0467f43ae157023b938d3"
 
+[[package]]
+name = "pbkdf2"
+version = "0.12.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8ed6a7761f76e3b9f92dfb0a60a6a6477c61024b775147ff0973a02653abaf2"
+dependencies = [
+ "digest",
+ "hmac",
+]
+
+[[package]]
+name = "pdf-extract"
+version = "0.7.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbb3a5387b94b9053c1e69d8abfd4dd6dae7afda65a5c5279bc1f42ab39df575"
+dependencies = [
+ "adobe-cmap-parser",
+ "encoding_rs",
+ "euclid",
+ "lopdf 0.34.0",
+ "postscript",
+ "type1-encoding-parser",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "pem"
 version = "3.0.6"
@@ -4628,6 +4772,12 @@ dependencies = [
  "universal-hash",
 ]
 
+[[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"
@@ -4649,6 +4799,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "postscript"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78451badbdaebaf17f053fd9152b3ffb33b516104eacb45e7864aaa9c712f306"
+
 [[package]]
 name = "potential_utf"
 version = "0.1.4"
@@ -4696,7 +4852,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a2472a184bcb128d0e3db65b59ebd11d010259a5e14fd9d048cba8f2c9302d4"
 dependencies = [
  "js-sys",
- "lopdf",
+ "lopdf 0.26.0",
  "rusttype",
  "time 0.2.27",
 ]
@@ -4810,6 +4966,25 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "quick-xml"
+version = "0.31.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1004a344b30a54e2ee58d66a71b32d2db2feb0a31f9a2d302bf0536f15de2a33"
+dependencies = [
+ "encoding_rs",
+ "memchr",
+]
+
+[[package]]
+name = "quick-xml"
+version = "0.37.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "331e97a1af0bf59823e6eadffe373d7b27f485be8748f71471c662c1f269b7fb"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "quick-xml"
 version = "0.38.4"
@@ -5005,6 +5180,12 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
+[[package]]
+name = "rangemap"
+version = "1.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "973443cf09a9c8656b574a866ab68dfa19f0867d0340648c7d2f6a71b8a8ea68"
+
 [[package]]
 name = "raw-window-handle"
 version = "0.6.2"
@@ -7531,6 +7712,15 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
 
+[[package]]
+name = "type1-encoding-parser"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa10c302f5a53b7ad27fd42a3996e23d096ba39b5b8dd6d9e683a05b01bee749"
+dependencies = [
+ "pom 1.1.0",
+]
+
 [[package]]
 name = "typeid"
 version = "1.0.3"
@@ -9335,6 +9525,15 @@ dependencies = [
  "quick-xml 0.30.0",
 ]
 
+[[package]]
+name = "xz2"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388c44dc09d76f1536602ead6d325eb532f5c122f17782bd57fb47baeeb767e2"
+dependencies = [
+ "lzma-sys",
+]
+
 [[package]]
 name = "yoke"
 version = "0.8.1"
@@ -9590,6 +9789,7 @@ dependencies = [
  "axum-extra",
  "base64 0.22.1",
  "bytes",
+ "calamine",
  "chrono",
  "dashmap",
  "data-encoding",
@@ -9597,7 +9797,9 @@ dependencies = [
  "genpdf",
  "hex",
  "jsonwebtoken",
+ "pdf-extract",
  "pgvector",
+ "quick-xml 0.37.5",
  "rand 0.8.5",
  "regex",
  "reqwest 0.12.28",
@@ -9623,6 +9825,7 @@ dependencies = [
  "urlencoding",
  "uuid",
  "zclaw-types",
+ "zip 2.4.2",
 ]
 
 [[package]]
@@ -9700,6 +9903,20 @@ name = "zeroize"
 version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85a5b4158499876c763cb03bc4e49185d3cccbabb15b33c627f7884f43db852e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
 
 [[package]]
 name = "zerotrie"
@@ -9740,15 +9957,28 @@ version = "2.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fabe6324e908f85a1c52063ce7aa26b68dcb7eb6dbc83a2d148403c9bc3eba50"
 dependencies = [
+ "aes",
  "arbitrary",
+ "bzip2",
+ "constant_time_eq",
  "crc32fast",
  "crossbeam-utils",
+ "deflate64",
  "displaydoc",
  "flate2",
+ "getrandom 0.3.4",
+ "hmac",
  "indexmap 2.13.0",
+ "lzma-rs",
  "memchr",
+ "pbkdf2",
+ "sha1 0.10.6",
  "thiserror 2.0.18",
+ "time 0.3.47",
+ "xz2",
+ "zeroize",
  "zopfli",
+ "zstd",
 ]
 
 [[package]]
@@ -9781,6 +10011,34 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "zstd"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e91ee311a569c327171651566e07972200e76fcfe2242a4fa446149a3881c08a"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "7.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f49c4d5f0abb602a93fb8736af2a4f4dd9512e36f7f570d66e65ff867ed3b9d"
+dependencies = [
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.16+zstd.1.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e19ebc2adc8f83e43039e79776e3fda8ca919132d68a1fed6a5faca2683748"
+dependencies = [
+ "cc",
+ "pkg-config",
+]
+
 [[package]]
 name = "zune-inflate"
 version = "0.2.54"