diff --git a/api/Cargo.lock b/api/Cargo.lock
index 605b626..5a21ad8 100644
--- a/api/Cargo.lock
+++ b/api/Cargo.lock
@@ -31,10 +31,153 @@ checksum = "3c3610892ee6e0cbce8ae2700349fcf8f98adb0dbfbee85aec3c9179d29cc072"
 dependencies = [
  "base64ct",
  "blake2",
- "cpufeatures",
+ "cpufeatures 0.2.17",
  "password-hash",
 ]
 
+[[package]]
+name = "async-channel"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81953c529336010edd6d8e358f886d9581267795c61b19475b71314bffa46d35"
+dependencies = [
+ "concurrent-queue",
+ "event-listener 2.5.3",
+ "futures-core",
+]
+
+[[package]]
+name = "async-channel"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "924ed96dd52d1b75e9c1a3e6275715fd320f5f9439fb5a4a11fa51f4221158d2"
+dependencies = [
+ "concurrent-queue",
+ "event-listener-strategy",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c96bf972d85afc50bf5ab8fe2d54d1586b4e0b46c97c50a0c9e71e2f7bcd812a"
+dependencies = [
+ "async-task",
+ "concurrent-queue",
+ "fastrand 2.3.0",
+ "futures-lite 2.6.1",
+ "pin-project-lite",
+ "slab",
+]
+
+[[package]]
+name = "async-global-executor"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05b1b633a2115cd122d73b955eadd9916c18c8f510ec9cd1686404c60ad1c29c"
+dependencies = [
+ "async-channel 2.5.0",
+ "async-executor",
+ "async-io",
+ "async-lock",
+ "blocking",
+ "futures-lite 2.6.1",
+ "once_cell",
+]
+
+[[package]]
+name = "async-io"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "456b8a8feb6f42d237746d4b3e9a178494627745c3c56c6ea55d92ba50d026fc"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "concurrent-queue",
+ "futures-io",
+ "futures-lite 2.6.1",
+ "parking",
+ "polling 3.11.0",
+ "rustix",
+ "slab",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "async-lock"
+version = "3.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f7f2596bd5b78a9fec8088ccd89180d7f9f55b94b0576823bbbdc72ee8311"
+dependencies = [
+ "event-listener 5.4.1",
+ "event-listener-strategy",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-native-tls"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9343dc5acf07e79ff82d0c37899f079db3534d99f189a1837c8e549c99405bec"
+dependencies = [
+ "futures-util",
+ "native-tls",
+ "thiserror 1.0.69",
+ "url",
+]
+
+[[package]]
+name = "async-std"
+version = "1.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c8e079a4ab67ae52b7403632e4618815d6db36d2a010cfe41b02c1b1578f93b"
+dependencies = [
+ "async-channel 1.9.0",
+ "async-global-executor",
+ "async-io",
+ "async-lock",
+ "crossbeam-utils",
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-lite 2.6.1",
+ "gloo-timers",
+ "kv-log-macro",
+ "log",
+ "memchr",
+ "once_cell",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+ "wasm-bindgen-futures",
+]
+
+[[package]]
+name = "async-task"
+version = "4.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b75356056920673b02621b35afd0f7dda9306d03c79a30f5c56c44cf256e3de"
+
+[[package]]
+name = "async-tungstenite"
+version = "0.28.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c348fb0b6d132c596eca3dcd941df48fb597aafcb07a738ec41c004b087dc99"
+dependencies = [
+ "async-native-tls",
+ "async-std",
+ "atomic-waker",
+ "futures-core",
+ "futures-io",
+ "futures-task",
+ "futures-util",
+ "log",
+ "pin-project-lite",
+ "tungstenite",
+]
+
 [[package]]
 name = "atoi"
 version = "2.0.0"
@@ -66,7 +209,7 @@ dependencies = [
  "bytes",
  "form_urlencoded",
  "futures-util",
- "http",
+ "http 1.4.0",
  "http-body",
  "http-body-util",
  "hyper",
@@ -97,7 +240,7 @@ checksum = "08c78f31d7b1291f7ee735c1c6780ccde7785daae9a9206026862dab7d8792d1"
 dependencies = [
  "bytes",
  "futures-core",
- "http",
+ "http 1.4.0",
  "http-body",
  "http-body-util",
  "mime",
@@ -116,9 +259,12 @@ dependencies = [
  "axum",
  "chrono",
  "dotenvy",
+ "hex",
  "jsonwebtoken",
+ "msedge-tts",
  "serde",
  "serde_json",
+ "sha2",
  "sqlx",
  "tokio",
  "tower-http",
@@ -137,6 +283,12 @@ version = "1.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
 
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
 [[package]]
 name = "bitflags"
 version = "2.11.0"
@@ -164,6 +316,19 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "blocking"
+version = "1.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e83f8d02be6967315521be875afa792a316e28d57b5a2d401897e2a7921b7f21"
+dependencies = [
+ "async-channel 2.5.0",
+ "async-task",
+ "futures-io",
+ "futures-lite 2.6.1",
+ "piper",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.20.2"
@@ -182,6 +347,12 @@ version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
 
+[[package]]
+name = "castaway"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2698f953def977c68f935bb0dfa959375ad4638570e969e2f1e9f433cbf1af6"
+
 [[package]]
 name = "cc"
 version = "1.2.56"
@@ -198,6 +369,17 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "chacha20"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f8d983286843e49675a4b7a2d174efe136dc93a18d69130dd18198a6c167601"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.3.0",
+ "rand_core 0.10.0",
+]
+
 [[package]]
 name = "chrono"
 version = "0.4.44"
@@ -227,6 +409,16 @@ version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
+[[package]]
+name = "core-foundation"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2a6cd9ae233e7f62ba4e9353e81a88df7fc8a5987b8d445b4d90c879bd156f6"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -242,6 +434,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cpufeatures"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b2a41393f66f16b0823bb79094d54ac5fbd34ab292ddafb9a0456ac9f87d201"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "crc"
 version = "3.4.0"
@@ -282,6 +483,43 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "curl"
+version = "0.4.49"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79fc3b6dd0b87ba36e565715bf9a2ced221311db47bd18011676f24a6066edbc"
+dependencies = [
+ "curl-sys",
+ "libc",
+ "openssl-probe 0.1.6",
+ "openssl-sys",
+ "schannel",
+ "socket2",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "curl-sys"
+version = "0.4.85+curl-8.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0efa6142b5ecc05f6d3eaa39e6af4888b9d3939273fb592c92b7088a8cf3fdb"
+dependencies = [
+ "cc",
+ "libc",
+ "libnghttp2-sys",
+ "libz-sys",
+ "openssl-sys",
+ "pkg-config",
+ "vcpkg",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "data-encoding"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7a1e2f27636f116493b8b860f5546edb47c8d8f8ea73e1d2a20be88e28d1fea"
+
 [[package]]
 name = "der"
 version = "0.7.10"
@@ -340,6 +578,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "encoding_rs"
+version = "0.8.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75030f3c4f45dafd7586dd6780965a8c7e8e285a5ecb86713e63a79c5b2766f3"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
@@ -367,6 +614,12 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "event-listener"
+version = "2.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
+
 [[package]]
 name = "event-listener"
 version = "5.4.1"
@@ -378,6 +631,31 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "event-listener-strategy"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8be9f3dfaaffdae2972880079a491a1a8bb7cbed0b8dd7a347f668b4150a3b93"
+dependencies = [
+ "event-listener 5.4.1",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "fastrand"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
+dependencies = [
+ "instant",
+]
+
+[[package]]
+name = "fastrand"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
+
 [[package]]
 name = "find-msvc-tools"
 version = "0.1.9"
@@ -395,12 +673,33 @@ dependencies = [
  "spin",
 ]
 
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
 [[package]]
 name = "foldhash"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
 
+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.2.2"
@@ -454,6 +753,45 @@ version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cecba35d7ad927e23624b22ad55235f2239cfa44fd10428eecbeba6d6a717718"
 
+[[package]]
+name = "futures-lite"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49a9d51ce47660b1e808d3c990b4709f2f415d928835a17dfd16991515c46bce"
+dependencies = [
+ "fastrand 1.9.0",
+ "futures-core",
+ "futures-io",
+ "memchr",
+ "parking",
+ "pin-project-lite",
+ "waker-fn",
+]
+
+[[package]]
+name = "futures-lite"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f78e10609fe0e0b3f4157ffab1876319b5b0db102a2c60dc4626306dc46b44ad"
+dependencies = [
+ "fastrand 2.3.0",
+ "futures-core",
+ "futures-io",
+ "parking",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "futures-macro"
+version = "0.3.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e835b70203e41293343137df5c0664546da5745f82ec9b84d40be8336958447b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.32"
@@ -474,6 +812,7 @@ checksum = "389ca41296e6190b48053de0321d02a77f32f8a5d2461dd38762c0593805c6d6"
 dependencies = [
  "futures-core",
  "futures-io",
+ "futures-macro",
  "futures-sink",
  "futures-task",
  "memchr",
@@ -513,10 +852,23 @@ dependencies = [
  "cfg-if",
  "libc",
  "r-efi",
+ "rand_core 0.10.0",
  "wasip2",
  "wasip3",
 ]
 
+[[package]]
+name = "gloo-timers"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbb143cf96099802033e0d4f4963b19fd2e0b728bcf076cd9cf7f6634f092994"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.15.5"
@@ -549,6 +901,12 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
+[[package]]
+name = "hermit-abi"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -582,6 +940,17 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "http"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "601cbb57e577e2f5ef5be8e7b83f0f63994f25aa94d673e54a92d5c516d101f1"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
 [[package]]
 name = "http"
 version = "1.4.0"
@@ -599,7 +968,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1efedce1fb8e6913f23e0c92de8e62cd5b772a67e7b3946df930a62566c93184"
 dependencies = [
  "bytes",
- "http",
+ "http 1.4.0",
 ]
 
 [[package]]
@@ -610,7 +979,7 @@ checksum = "b021d93e26becf5dc7e1b75b1bed1fd93124b374ceb73f43d4d4eafec896a64a"
 dependencies = [
  "bytes",
  "futures-core",
- "http",
+ "http 1.4.0",
  "http-body",
  "pin-project-lite",
 ]
@@ -643,7 +1012,7 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-core",
- "http",
+ "http 1.4.0",
  "http-body",
  "httparse",
  "httpdate",
@@ -661,7 +1030,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0"
 dependencies = [
  "bytes",
- "http",
+ "http 1.4.0",
  "http-body",
  "hyper",
  "pin-project-lite",
@@ -813,6 +1182,44 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "instant"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0242819d153cba4b4b05a5a8f2a7e9bbf97b6055b2a002b395c96b5ff3c0222"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "isahc"
+version = "1.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "334e04b4d781f436dc315cb1e7515bd96826426345d498149e4bde36b67f8ee9"
+dependencies = [
+ "async-channel 1.9.0",
+ "castaway",
+ "crossbeam-utils",
+ "curl",
+ "curl-sys",
+ "encoding_rs",
+ "event-listener 2.5.3",
+ "futures-lite 1.13.0",
+ "http 0.2.12",
+ "log",
+ "mime",
+ "once_cell",
+ "polling 2.8.0",
+ "serde",
+ "serde_json",
+ "slab",
+ "sluice",
+ "tracing",
+ "tracing-futures",
+ "url",
+ "waker-fn",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.17"
@@ -844,6 +1251,15 @@ dependencies = [
  "simple_asn1",
 ]
 
+[[package]]
+name = "kv-log-macro"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0de8b303297635ad57c9f5059fd9cee7a47f8e8daa09df0fcd07dd39fb22977f"
+dependencies = [
+ "log",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -871,13 +1287,23 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6d2cec3eae94f9f509c767b45932f1ada8350c4bdb85af2fcab4a3c14807981"
 
+[[package]]
+name = "libnghttp2-sys"
+version = "0.1.12+1.68.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31d4c51112b381b39a072a6010bc5d3e5557996c5d0150abacd1d349b2636299"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "libredox"
 version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1744e39d1d6a9948f4f388969627434e31128196de472883b39f148769bfe30a"
 dependencies = [
- "bitflags",
+ "bitflags 2.11.0",
  "libc",
  "plain",
  "redox_syscall 0.7.3",
@@ -894,6 +1320,24 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "libz-sys"
+version = "1.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d52f4c29e2a68ac30c9087e1b772dc9f44a2b66ed44edf2266cf2be9b03dafc1"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
+[[package]]
+name = "linux-raw-sys"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a66949e030da00e8c7d4434b251670a91556f4144941d37452769c25d58a53"
+
 [[package]]
 name = "litemap"
 version = "0.8.1"
@@ -914,6 +1358,9 @@ name = "log"
 version = "0.4.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
+dependencies = [
+ "value-bag",
+]
 
 [[package]]
 name = "matchit"
@@ -964,6 +1411,49 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "msedge-tts"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c4486f2d5d593ddfb54e06ffc647de2ce6bb5aa2c10861f2652e875ba51dddf"
+dependencies = [
+ "async-io",
+ "async-lock",
+ "async-native-tls",
+ "async-std",
+ "async-tungstenite",
+ "base64",
+ "chrono",
+ "futures-util",
+ "http 1.4.0",
+ "httparse",
+ "isahc",
+ "native-tls",
+ "serde",
+ "serde_json",
+ "sha2",
+ "thiserror 2.0.18",
+ "tungstenite",
+ "uuid",
+]
+
+[[package]]
+name = "native-tls"
+version = "0.2.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "465500e14ea162429d264d44189adc38b199b62b1c21eea9f69e4b73cb03bbf2"
+dependencies = [
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe 0.2.1",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
 [[package]]
 name = "num-bigint"
 version = "0.4.6"
@@ -985,7 +1475,7 @@ dependencies = [
  "num-integer",
  "num-iter",
  "num-traits",
- "rand",
+ "rand 0.8.5",
  "smallvec",
  "zeroize",
 ]
@@ -1032,6 +1522,56 @@ version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 
+[[package]]
+name = "openssl"
+version = "0.10.76"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "951c002c75e16ea2c65b8c7e4d3d51d5530d8dfa7d060b4776828c88cfb18ecf"
+dependencies = [
+ "bitflags 2.11.0",
+ "cfg-if",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-macros",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "openssl-probe"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d05e27ee213611ffe7d6348b942e8f942b37114c00cc03cec254295a4a17852e"
+
+[[package]]
+name = "openssl-probe"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c87def4c32ab89d880effc9e097653c8da5d6ef28e6b539d313baaacfbafcbe"
+
+[[package]]
+name = "openssl-sys"
+version = "0.9.112"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57d55af3b3e226502be1526dfdba67ab0e9c96fc293004e79576b2b9edb0dbdb"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "parking"
 version = "2.2.1"
@@ -1068,7 +1608,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "346f04948ba92c43e8469c1ee6736c7563d71012b17d40745260fe106aac2166"
 dependencies = [
  "base64ct",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
@@ -1097,6 +1637,26 @@ version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b4f627cb1b25917193a259e49bdad08f671f8d9708acfd5fe0a8c1455d87220"
 
+[[package]]
+name = "pin-project"
+version = "1.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1749c7ed4bcaf4c3d0a3efc28538844fb29bcdd7d2b67b2be7e20ba861ff517"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b20ed30f105399776b9c883e68e536ef602a16ae6f596d2c473591d6ad64c6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.17"
@@ -1109,6 +1669,17 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "piper"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c835479a4443ded371d6c535cbfd8d31ad92c5d23ae9770a61bc155e4992a3c1"
+dependencies = [
+ "atomic-waker",
+ "fastrand 2.3.0",
+ "futures-io",
+]
+
 [[package]]
 name = "pkcs1"
 version = "0.7.5"
@@ -1142,6 +1713,36 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
 
+[[package]]
+name = "polling"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b2d323e8ca7996b3e23126511a523f7e62924d93ecd5ae73b333815b0eb3dce"
+dependencies = [
+ "autocfg",
+ "bitflags 1.3.2",
+ "cfg-if",
+ "concurrent-queue",
+ "libc",
+ "log",
+ "pin-project-lite",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "polling"
+version = "3.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d0e4f59085d47d8241c88ead0f274e8a0cb551f3625263c05eb8dd897c34218"
+dependencies = [
+ "cfg-if",
+ "concurrent-queue",
+ "hermit-abi",
+ "pin-project-lite",
+ "rustix",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "potential_utf"
 version = "0.1.4"
@@ -1208,7 +1809,18 @@ checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
- "rand_core",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc266eb313df6c5c09c1c7b1fbe2510961e5bcd3add930c1e31f7ed9da0feff8"
+dependencies = [
+ "chacha20",
+ "getrandom 0.4.2",
+ "rand_core 0.10.0",
 ]
 
 [[package]]
@@ -1218,7 +1830,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -1230,13 +1842,19 @@ dependencies = [
  "getrandom 0.2.17",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c8d0fd677905edcbeedbf2edb6494d676f0e98d54d5cf9bda0b061cb8fb8aba"
+
 [[package]]
 name = "redox_syscall"
 version = "0.5.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed2bf2547551a7053d6fdfafda3f938979645c44812fbfcda098faae3f1a362d"
 dependencies = [
- "bitflags",
+ "bitflags 2.11.0",
 ]
 
 [[package]]
@@ -1245,7 +1863,7 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ce70a74e890531977d37e532c34d45e9055d2409ed08ddba14529471ed0be16"
 dependencies = [
- "bitflags",
+ "bitflags 2.11.0",
 ]
 
 [[package]]
@@ -1275,13 +1893,26 @@ dependencies = [
  "num-traits",
  "pkcs1",
  "pkcs8",
- "rand_core",
+ "rand_core 0.6.4",
  "signature",
  "spki",
  "subtle",
  "zeroize",
 ]
 
+[[package]]
+name = "rustix"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6fe4565b9518b83ef4f91bb47ce29620ca828bd32cb7e408f0062e9930ba190"
+dependencies = [
+ "bitflags 2.11.0",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.22"
@@ -1294,12 +1925,44 @@ version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9774ba4a74de5f7b1c1451ed6cd5285a32eddb5cccb8cc655a4e50009e06477f"
 
+[[package]]
+name = "schannel"
+version = "0.1.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91c1b7e4904c873ef0710c1f407dde2e6287de2bebc1bbbf7d430bb7cbffd939"
+dependencies = [
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "security-framework"
+version = "3.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7f4bc775c73d9a02cde8bf7b2ec4c9d12743edf609006c7facc23998404cd1d"
+dependencies = [
+ "bitflags 2.11.0",
+ "core-foundation",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "2.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce2691df843ecc5d231c0b14ece2acc3efb62c0a398c7e1d875f3983ce020e3"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "semver"
 version = "1.0.27"
@@ -1379,7 +2042,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba"
 dependencies = [
  "cfg-if",
- "cpufeatures",
+ "cpufeatures 0.2.17",
  "digest",
 ]
 
@@ -1390,7 +2053,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
 dependencies = [
  "cfg-if",
- "cpufeatures",
+ "cpufeatures 0.2.17",
  "digest",
 ]
 
@@ -1417,7 +2080,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
  "digest",
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -1428,7 +2091,7 @@ checksum = "0d585997b0ac10be3c5ee635f1bab02d512760d14b7c468801ac8a01d9ae5f1d"
 dependencies = [
  "num-bigint",
  "num-traits",
- "thiserror",
+ "thiserror 2.0.18",
  "time",
 ]
 
@@ -1438,6 +2101,17 @@ version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c790de23124f9ab44544d7ac05d60440adc586479ce501c1d6d7da3cd8c9cf5"
 
+[[package]]
+name = "sluice"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d7400c0eff44aa2fcb5e31a5f24ba9716ed90138769e4977a2ba6014ae63eb5"
+dependencies = [
+ "async-channel 1.9.0",
+ "futures-core",
+ "futures-io",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.15.1"
@@ -1500,7 +2174,7 @@ dependencies = [
  "crc",
  "crossbeam-queue",
  "either",
- "event-listener",
+ "event-listener 5.4.1",
  "futures-core",
  "futures-intrusive",
  "futures-io",
@@ -1516,7 +2190,7 @@ dependencies = [
  "serde_json",
  "sha2",
  "smallvec",
- "thiserror",
+ "thiserror 2.0.18",
  "tokio",
  "tokio-stream",
  "tracing",
@@ -1569,7 +2243,7 @@ checksum = "aa003f0038df784eb8fecbbac13affe3da23b45194bd57dba231c8f48199c526"
 dependencies = [
  "atoi",
  "base64",
- "bitflags",
+ "bitflags 2.11.0",
  "byteorder",
  "bytes",
  "crc",
@@ -1590,7 +2264,7 @@ dependencies = [
  "memchr",
  "once_cell",
  "percent-encoding",
- "rand",
+ "rand 0.8.5",
  "rsa",
  "serde",
  "sha1",
@@ -1598,7 +2272,7 @@ dependencies = [
  "smallvec",
  "sqlx-core",
  "stringprep",
- "thiserror",
+ "thiserror 2.0.18",
  "tracing",
  "whoami",
 ]
@@ -1611,7 +2285,7 @@ checksum = "db58fcd5a53cf07c184b154801ff91347e4c30d17a3562a635ff028ad5deda46"
 dependencies = [
  "atoi",
  "base64",
- "bitflags",
+ "bitflags 2.11.0",
  "byteorder",
  "crc",
  "dotenvy",
@@ -1628,14 +2302,14 @@ dependencies = [
  "md-5",
  "memchr",
  "once_cell",
- "rand",
+ "rand 0.8.5",
  "serde",
  "serde_json",
  "sha2",
  "smallvec",
  "sqlx-core",
  "stringprep",
- "thiserror",
+ "thiserror 2.0.18",
  "tracing",
  "whoami",
 ]
@@ -1659,7 +2333,7 @@ dependencies = [
  "serde",
  "serde_urlencoded",
  "sqlx-core",
- "thiserror",
+ "thiserror 2.0.18",
  "tracing",
  "url",
 ]
@@ -1715,13 +2389,46 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
+dependencies = [
+ "fastrand 2.3.0",
+ "getrandom 0.4.2",
+ "once_cell",
+ "rustix",
+ "windows-sys 0.61.2",
+]
+
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl 1.0.69",
+]
+
 [[package]]
 name = "thiserror"
 version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 2.0.18",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
@@ -1865,11 +2572,11 @@ version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4e6559d53cc268e5031cd8429d05415bc4cb4aefc4aa5d6cc35fbf5b924a1f8"
 dependencies = [
- "bitflags",
+ "bitflags 2.11.0",
  "bytes",
  "futures-core",
  "futures-util",
- "http",
+ "http 1.4.0",
  "http-body",
  "http-body-util",
  "http-range-header",
@@ -1929,6 +2636,35 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "tracing-futures"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97d095ae15e245a057c8e8451bab9b3ee1e1f68e9ba2b4fbc18d0ac5237835f2"
+dependencies = [
+ "pin-project",
+ "tracing",
+]
+
+[[package]]
+name = "tungstenite"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18e5b8366ee7a95b16d32197d0b2604b43a0be89dc5fac9f8e96ccafbaedda8a"
+dependencies = [
+ "byteorder",
+ "bytes",
+ "data-encoding",
+ "http 1.4.0",
+ "httparse",
+ "log",
+ "native-tls",
+ "rand 0.8.5",
+ "sha1",
+ "thiserror 1.0.69",
+ "utf-8",
+]
+
 [[package]]
 name = "typenum"
 version = "1.19.0"
@@ -1992,6 +2728,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "utf-8"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
+
 [[package]]
 name = "utf8_iter"
 version = "1.0.4"
@@ -2006,9 +2748,16 @@ checksum = "a68d3c8f01c0cfa54a75291d83601161799e4a89a39e0929f4b0354d88757a37"
 dependencies = [
  "getrandom 0.4.2",
  "js-sys",
+ "rand 0.10.0",
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "value-bag"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ba6f5989077681266825251a52748b8c1d8a4ad098cc37e440103d0ea717fc0"
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
@@ -2021,6 +2770,12 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
+[[package]]
+name = "waker-fn"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "317211a0dc0ceedd78fb2ca9a44aed3d7b9b26f81870d485c07122b4350673b7"
+
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"
@@ -2064,6 +2819,20 @@ dependencies = [
  "wasm-bindgen-shared",
 ]
 
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9c5522b3a28661442748e09d40924dfb9ca614b21c00d3fd135720e48b67db8"
+dependencies = [
+ "cfg-if",
+ "futures-util",
+ "js-sys",
+ "once_cell",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.114"
@@ -2124,12 +2893,22 @@ version = "0.244.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
 dependencies = [
- "bitflags",
+ "bitflags 2.11.0",
  "hashbrown 0.15.5",
  "indexmap",
  "semver",
 ]
 
+[[package]]
+name = "web-sys"
+version = "0.3.91"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "854ba17bb104abfb26ba36da9729addc7ce7f06f5c0f90f3c391f8461cca21f9"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "whoami"
 version = "1.6.1"
@@ -2217,6 +2996,15 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.61.2"
@@ -2405,7 +3193,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
 dependencies = [
  "anyhow",
- "bitflags",
+ "bitflags 2.11.0",
  "indexmap",
  "log",
  "serde",
diff --git a/api/Cargo.toml b/api/Cargo.toml
index 301248b..b0d8a3a 100644
--- a/api/Cargo.toml
+++ b/api/Cargo.toml
@@ -15,3 +15,6 @@ uuid = { version = "1", features = ["v4"] }
 chrono = { version = "0.4", features = ["serde"] }
 tower-http = { version = "0.6", features = ["cors", "fs"] }
 dotenvy = "0.15"
+msedge-tts = "0.2"
+sha2 = "0.10"
+hex = "0.4"
diff --git a/api/src/main.rs b/api/src/main.rs
index bb3b57a..e4b6881 100644
--- a/api/src/main.rs
+++ b/api/src/main.rs
@@ -42,6 +42,7 @@ async fn main() {
             "/api/progress",
             get(routes::progress::get_progress).put(routes::progress::update_progress),
         )
+        .route("/api/tts", get(routes::tts::synthesize))
         .layer(cors)
         .with_state(state);
 
diff --git a/api/src/routes/mod.rs b/api/src/routes/mod.rs
index fa03e9e..adef8b3 100644
--- a/api/src/routes/mod.rs
+++ b/api/src/routes/mod.rs
@@ -1,2 +1,3 @@
 pub mod auth;
 pub mod progress;
+pub mod tts;
diff --git a/api/src/routes/tts.rs b/api/src/routes/tts.rs
new file mode 100644
index 0000000..0fa87b5
--- /dev/null
+++ b/api/src/routes/tts.rs
@@ -0,0 +1,94 @@
+use axum::extract::Query;
+use axum::http::header;
+use axum::response::{IntoResponse, Response};
+use msedge_tts::tts::client::connect_async;
+use msedge_tts::tts::SpeechConfig;
+use sha2::{Digest, Sha256};
+use std::path::PathBuf;
+
+use crate::errors::AppError;
+
+const DEFAULT_VOICE: &str = "fil-PH-BlessicaNeural";
+const ALLOWED_VOICES: &[&str] = &["fil-PH-BlessicaNeural", "fil-PH-AngeloNeural"];
+const MAX_TEXT_LEN: usize = 500;
+const AUDIO_FORMAT: &str = "audio-24khz-48kbitrate-mono-mp3";
+
+#[derive(serde::Deserialize)]
+pub struct TtsQuery {
+    text: String,
+    voice: Option<String>,
+}
+
+fn cache_dir() -> PathBuf {
+    let dir = PathBuf::from(std::env::var("DATA_DIR").unwrap_or_else(|_| "data".to_string()))
+        .join("tts-cache");
+    let _ = std::fs::create_dir_all(&dir);
+    dir
+}
+
+fn cache_key(text: &str, voice: &str) -> String {
+    let mut hasher = Sha256::new();
+    hasher.update(text.as_bytes());
+    hasher.update(b"|");
+    hasher.update(voice.as_bytes());
+    hex::encode(hasher.finalize())
+}
+
+pub async fn synthesize(Query(params): Query<TtsQuery>) -> Result<Response, AppError> {
+    let text = params.text.trim().to_string();
+    if text.is_empty() {
+        return Err(AppError::BadRequest("text is required".to_string()));
+    }
+    if text.len() > MAX_TEXT_LEN {
+        return Err(AppError::BadRequest(format!(
+            "text exceeds {MAX_TEXT_LEN} characters"
+        )));
+    }
+
+    let voice = params.voice.unwrap_or_else(|| DEFAULT_VOICE.to_string());
+    if !ALLOWED_VOICES.contains(&voice.as_str()) {
+        return Err(AppError::BadRequest(format!("unsupported voice: {voice}")));
+    }
+
+    // Check disk cache
+    let key = cache_key(&text, &voice);
+    let cache_path = cache_dir().join(format!("{key}.mp3"));
+
+    if let Ok(bytes) = tokio::fs::read(&cache_path).await {
+        return Ok(audio_response(bytes));
+    }
+
+    // Synthesize via Edge TTS
+    let mut tts = connect_async()
+        .await
+        .map_err(|e| AppError::Internal(format!("TTS connect failed: {e}")))?;
+
+    let config = SpeechConfig {
+        voice_name: voice,
+        audio_format: AUDIO_FORMAT.to_string(),
+        pitch: 0,
+        rate: 0,
+        volume: 0,
+    };
+
+    let audio = tts
+        .synthesize(&text, &config)
+        .await
+        .map_err(|e| AppError::Internal(format!("TTS synthesis failed: {e}")))?;
+
+    // Write to cache (best-effort)
+    let _ = tokio::fs::write(&cache_path, &audio.audio_bytes).await;
+
+    Ok(audio_response(audio.audio_bytes))
+}
+
+fn audio_response(bytes: Vec<u8>) -> Response {
+    (
+        [
+            (header::CONTENT_TYPE, "audio/mpeg"),
+            (header::CACHE_CONTROL, "public, max-age=86400"),
+        ],
+        bytes,
+    )
+        .into_response()
+}
diff --git a/web/src/components/common/SpeakButton.tsx b/web/src/components/common/SpeakButton.tsx
index 1cb01bc..1cee32b 100644
--- a/web/src/components/common/SpeakButton.tsx
+++ b/web/src/components/common/SpeakButton.tsx
@@ -1,4 +1,5 @@
 import IconButton from '@mui/material/IconButton';
+import CircularProgress from '@mui/material/CircularProgress';
 import VolumeUpIcon from '@mui/icons-material/VolumeUp';
 import { useSpeech } from '../../hooks/useSpeech';
 
@@ -9,9 +10,7 @@ interface SpeakButtonProps {
 }
 
 export function SpeakButton({ text, lang = 'fil', size = 'medium' }: SpeakButtonProps) {
-  const { speak, isSpeaking, isSupported } = useSpeech();
-
-  if (!isSupported.tts) return null;
+  const { speak, isSpeaking, isLoading } = useSpeech();
 
   return (
     <IconButton
@@ -24,7 +23,7 @@ export function SpeakButton({ text, lang = 'fil', size = 'medium' }: SpeakButton
         '&:hover': { bgcolor: 'rgba(88, 204, 2, 0.2)' },
       }}
     >
-      <VolumeUpIcon />
+      {isLoading ? <CircularProgress size={24} color="inherit" /> : <VolumeUpIcon />}
     </IconButton>
   );
 }
diff --git a/web/src/hooks/useSpeech.ts b/web/src/hooks/useSpeech.ts
index 1f9d040..9330562 100644
--- a/web/src/hooks/useSpeech.ts
+++ b/web/src/hooks/useSpeech.ts
@@ -16,33 +16,61 @@ const SpeechRecognitionCtor: (new () => SpeechRecognitionInstance) | undefined =
 
 export function useSpeech() {
   const [isSpeaking, setIsSpeaking] = useState(false);
+  const [isLoading, setIsLoading] = useState(false);
   const [isListening, setIsListening] = useState(false);
   const recognitionRef = useRef<SpeechRecognitionInstance | null>(null);
+  const audioRef = useRef<HTMLAudioElement | null>(null);
 
   const isSupported: SpeechSupport = useMemo(
     () => ({
-      tts: typeof window !== 'undefined' && 'speechSynthesis' in window,
+      tts: true, // Server-side TTS is always available
       stt: SpeechRecognitionCtor != null,
     }),
     [],
   );
 
   const speak = useCallback(
-    (text: string, lang: string = 'fil') => {
-      if (!isSupported.tts) return;
+    async (text: string, _lang: string = 'fil') => {
+      // Stop any currently playing audio
+      if (audioRef.current) {
+        audioRef.current.pause();
+        audioRef.current = null;
+      }
+
+      setIsLoading(true);
+      setIsSpeaking(true);
+
+      try {
+        const params = new URLSearchParams({ text });
+        const res = await fetch(`/api/tts?${params.toString()}`);
+        if (!res.ok) {
+          throw new Error(`TTS request failed: ${res.status}`);
+        }
 
-      window.speechSynthesis.cancel();
-      const utterance = new SpeechSynthesisUtterance(text);
-      utterance.lang = lang;
-      utterance.rate = 0.9;
+        const blob = await res.blob();
+        const url = URL.createObjectURL(blob);
+        const audio = new Audio(url);
+        audioRef.current = audio;
 
-      utterance.onstart = () => setIsSpeaking(true);
-      utterance.onend = () => setIsSpeaking(false);
-      utterance.onerror = () => setIsSpeaking(false);
+        audio.onended = () => {
+          setIsSpeaking(false);
+          URL.revokeObjectURL(url);
+          audioRef.current = null;
+        };
+        audio.onerror = () => {
+          setIsSpeaking(false);
+          URL.revokeObjectURL(url);
+          audioRef.current = null;
+        };
 
-      window.speechSynthesis.speak(utterance);
+        setIsLoading(false);
+        await audio.play();
+      } catch {
+        setIsSpeaking(false);
+        setIsLoading(false);
+      }
     },
-    [isSupported.tts],
+    [],
   );
 
   const listen = useCallback(
@@ -102,6 +130,7 @@ export function useSpeech() {
     stopListening,
     isSupported,
     isSpeaking,
+    isLoading,
     isListening,
   };
 }