From 251f117425a67eee100c488ccdb66ccc2ad2df8c Mon Sep 17 00:00:00 2001
From: unsecretised <no1umang@gmail.com>
Date: Thu, 16 Jul 2026 15:32:40 +0800
Subject: [PATCH] feat: extensions base

---
 Cargo.lock             | 612 +++++++++++++++++++++++++++++++++++++++--
 Cargo.toml             |   1 +
 src/app.rs             |   6 +
 src/app/tile.rs        |   3 +
 src/app/tile/elm.rs    |   4 +-
 src/app/tile/update.rs |  14 +
 src/config.rs          |   2 +
 src/extensions.rs      | 120 ++++++++
 src/main.rs            |   3 +
 9 files changed, 734 insertions(+), 31 deletions(-)
 create mode 100644 src/extensions.rs

diff --git a/Cargo.lock b/Cargo.lock
index dafbbe2..c45487a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -81,6 +81,12 @@ dependencies = [
  "equator",
 ]
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
+
 [[package]]
 name = "android-activity"
 version = "0.6.1"
@@ -130,6 +136,12 @@ version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a4385e2e34eb35d6b3efe798b9eb88096925d87726c0798709bf56d9ed84af3"
 
+[[package]]
+name = "anymap3"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb5dfbc6d8d2675589ccbe4d0fd61df2419075625f8c1a62325e718e2b0049f9"
+
 [[package]]
 name = "arbitrary"
 version = "1.4.2"
@@ -156,6 +168,15 @@ dependencies = [
  "x11rb",
 ]
 
+[[package]]
+name = "arc-swap"
+version = "1.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c049c0be4daef0b145cb3555416b3b8ef5b7888a38aea1a3a155801fe7b0810b"
+dependencies = [
+ "rustversion",
+]
+
 [[package]]
 name = "arg_enum_proc_macro"
 version = "0.3.4"
@@ -173,6 +194,12 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76a2e8124351fda1ef8aaaa3bbd7ebbcb486bbcd4225aca0aa0d84bb2db8fecb"
 
+[[package]]
+name = "arrayvec"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
+
 [[package]]
 name = "arrayvec"
 version = "0.7.8"
@@ -378,7 +405,7 @@ dependencies = [
  "aligned",
  "anyhow",
  "arg_enum_proc_macro",
- "arrayvec",
+ "arrayvec 0.7.8",
  "log",
  "num-rational",
  "num-traits",
@@ -396,7 +423,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8cfddb07216410377231960af4fcab838eaa12e013417781b78bd95ee22077f8"
 dependencies = [
  "anyhow",
- "arrayvec",
+ "arrayvec 0.7.8",
  "log",
  "nom",
  "num-rational",
@@ -409,7 +436,29 @@ version = "0.8.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7178fe5f7d460b13895ebb9dcb28a3a6216d2df2574a0806cb51b555d297f38"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.7.8",
+]
+
+[[package]]
+name = "bigdecimal"
+version = "0.4.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d6867f1565b3aad85681f1015055b087fcfd840d6aeee6eee7f2da317603695"
+dependencies = [
+ "autocfg",
+ "libm",
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "bincode"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
+dependencies = [
+ "serde",
 ]
 
 [[package]]
@@ -448,6 +497,15 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "bitmaps"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "031043d04099746d8db04daf1fa424b2bc8bd69d92b25962dcde24da39ab64a2"
+dependencies = [
+ "typenum",
+]
+
 [[package]]
 name = "bitstream-io"
 version = "4.10.0"
@@ -463,6 +521,15 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.12.1"
@@ -639,6 +706,15 @@ dependencies = [
  "wayland-client",
 ]
 
+[[package]]
+name = "castaway"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dec551ab6e7578819132c713a93c022a05d60159dc86e7a7050223577484c55a"
+dependencies = [
+ "rustversion",
+]
+
 [[package]]
 name = "cc"
 version = "1.2.66"
@@ -673,13 +749,24 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
 
+[[package]]
+name = "chrono"
+version = "0.4.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aa79e62e7697b8e29b513a68abacf485adcd1fe8284a4316c5ae868e6633327"
+dependencies = [
+ "iana-time-zone",
+ "num-traits",
+ "windows-link",
+]
+
 [[package]]
 name = "cipher"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e8cf2a2c93cd704877c0858356ed03480ff301ee950b43f1cbe4573b088bfa6c"
 dependencies = [
- "crypto-common",
+ "crypto-common 0.2.2",
  "inout",
 ]
 
@@ -728,6 +815,25 @@ version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c9ea0ac24bc397ab3c98583a3c9ba74fa56b09a4449bbe172b9b1ddb016027a"
 
+[[package]]
+name = "codegen"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff61280aed771c3070e7dcc9e050c66f1eb1e3b96431ba66f9f74641d02fc41d"
+dependencies = [
+ "indexmap 1.9.3",
+]
+
+[[package]]
+name = "codespan-reporting"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3538270d33cc669650c4b093848450d380def10c331d38c768e34cac80576e6e"
+dependencies = [
+ "termcolor",
+ "unicode-width 0.1.14",
+]
+
 [[package]]
 name = "codespan-reporting"
 version = "0.12.0"
@@ -736,7 +842,7 @@ checksum = "fe6d2e5af09e8c8ad56c969f2157a3d4238cebc7c55f0a517728c38f7b200f81"
 dependencies = [
  "serde",
  "termcolor",
- "unicode-width",
+ "unicode-width 0.2.2",
 ]
 
 [[package]]
@@ -755,6 +861,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "compact_str"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fd622ebbb56a5b2ccb651b32b911cdeb2a9b4b11776b2473bf26a26a286244e"
+dependencies = [
+ "castaway",
+ "cfg-if",
+ "itoa",
+ "rustversion",
+ "ryu",
+ "serde",
+ "static_assertions",
+]
+
 [[package]]
 name = "concurrent-queue"
 version = "2.5.0"
@@ -922,6 +1043,15 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "crossbeam-queue"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "803d13fb3b09d88be9f4dbc29062c66b19bf7170867ceb746d2a8689bf6c7a26"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.22"
@@ -947,6 +1077,16 @@ dependencies = [
  "wgpu",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.2.2"
@@ -980,6 +1120,20 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f27ae1dd37df86211c42e150270f82743308803d90a6f6e6651cd730d5e1732f"
 
+[[package]]
+name = "dashmap"
+version = "6.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6361d5c062261c78a176addb82d4c821ae42bed6089de0e12603cd25de2059c"
+dependencies = [
+ "cfg-if",
+ "crossbeam-utils",
+ "hashbrown 0.14.5",
+ "lock_api",
+ "once_cell",
+ "parking_lot_core",
+]
+
 [[package]]
 name = "deflate"
 version = "0.8.6"
@@ -1002,15 +1156,25 @@ version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7cd812cc2bc1d69d4764bd80df88b4317eaef9e773c75226407d9bc0876b211c"
 
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer 0.10.4",
+ "crypto-common 0.1.7",
+]
+
 [[package]]
 name = "digest"
 version = "0.11.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1dd6dbb5841937940781866fa1281a1ff7bd3bf827091440879f9994983d5c2"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.12.1",
  "const-oid",
- "crypto-common",
+ "crypto-common 0.2.2",
  "ctutils",
  "zeroize",
 ]
@@ -1143,6 +1307,12 @@ dependencies = [
  "syn 2.0.118",
 ]
 
+[[package]]
+name = "env_home"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7f84e12ccf0a7ddc17a6c41c93326024c42920d7ee630d04950e6926645c0fe"
+
 [[package]]
 name = "equator"
 version = "0.4.2"
@@ -1556,6 +1726,26 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[package]]
+name = "generic_singleton"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab6e923c8e978e57cf63e2e200ca967d1d20f0ea2662b28f6d4e11c44aa6ab16"
+dependencies = [
+ "anymap3",
+ "parking_lot",
+]
+
 [[package]]
 name = "gethostname"
 version = "1.1.0"
@@ -1584,9 +1774,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "r-efi 5.3.0",
  "wasip2",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -1708,6 +1900,12 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0cc23270f6e1808e30a928bdc84dea0b9b4136a8bc82338574f23baf47bbd280"
+
 [[package]]
 name = "global-hotkey"
 version = "0.7.0"
@@ -1895,6 +2093,23 @@ dependencies = [
  "smallvec",
 ]
 
+[[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"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+dependencies = [
+ "ahash",
+ "allocator-api2",
+ "serde",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.15.5"
@@ -1967,9 +2182,15 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6303bc9732ae41b04cb554b844a762b4115a61bfaa81e3e83050991eeb56863f"
 dependencies = [
- "digest",
+ "digest 0.11.3",
 ]
 
+[[package]]
+name = "httparse"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6dbf3de79e51f3d586ab4cb9d5c3e2c14aa28ed23d180cf89b4df0454a69cc87"
+
 [[package]]
 name = "hybrid-array"
 version = "0.4.13"
@@ -1979,6 +2200,30 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.65"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e31bc9ad994ba00e440a8aa5c9ef0ec67d5cb5e5cb0cc7f8b744a35b389cc470"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "log",
+ "wasm-bindgen",
+ "windows-core 0.58.0",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "iced"
 version = "0.14.0"
@@ -2177,6 +2422,28 @@ dependencies = [
  "png 0.16.8",
 ]
 
+[[package]]
+name = "icu_casemap"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "070f98b5b82798fcb93654bf96ed9f40064fc44c86f51a09ea711092cd5cc5be"
+dependencies = [
+ "icu_casemap_data",
+ "icu_collections",
+ "icu_locale_core",
+ "icu_properties",
+ "icu_provider",
+ "potential_utf",
+ "writeable",
+ "zerovec",
+]
+
+[[package]]
+name = "icu_casemap_data"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "846b0857ca091204be3c874bc93daaf89d4777e8d2d20b0d3ffe8f671d98014b"
+
 [[package]]
 name = "icu_collections"
 version = "2.2.0"
@@ -2185,6 +2452,7 @@ checksum = "2984d1cd16c883d7935b9e07e44071dca8d917fd52ecc02c04d5fa0b5a3f191c"
 dependencies = [
  "displaydoc",
  "potential_utf",
+ "serde",
  "utf8_iter",
  "yoke",
  "zerofrom",
@@ -2199,6 +2467,7 @@ checksum = "92219b62b3e2b4d88ac5119f8904c10f8f61bf7e95b640d25ba3075e6cac2c29"
 dependencies = [
  "displaydoc",
  "litemap",
+ "serde",
  "tinystr",
  "writeable",
  "zerovec",
@@ -2252,6 +2521,8 @@ checksum = "139c4cf31c8b5f33d7e199446eff9c1e02decfc2f0eec2c8d71f65befa45b421"
 dependencies = [
  "displaydoc",
  "icu_locale_core",
+ "serde",
+ "stable_deref_trait",
  "writeable",
  "yoke",
  "zerofrom",
@@ -2280,6 +2551,32 @@ dependencies = [
  "icu_properties",
 ]
 
+[[package]]
+name = "im-lists"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8490eb8daae746b8d5ba6f95d7aec634cd05cf687723ce62e4e3c6886f2a8030"
+dependencies = [
+ "allocator-api2",
+ "generic_singleton",
+ "smallvec",
+]
+
+[[package]]
+name = "im-rc"
+version = "15.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af1955a75fa080c677d3972822ec4bad316169ab1cfc6c257a942c2265dbe5fe"
+dependencies = [
+ "bitmaps",
+ "rand_core 0.6.4",
+ "rand_xoshiro",
+ "serde",
+ "sized-chunks",
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "image"
 version = "0.25.10"
@@ -2320,6 +2617,16 @@ version = "1.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89194689a993ab15268672e99e7b0e19da2da3268ac682e8f02d29d4d1434cd7"
 
+[[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",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.14.0"
@@ -2487,10 +2794,22 @@ version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1618d4ebd923e97d67e7cd363d80aef35fe961005cbbbb3d2dad8bdd1bc63440"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.7.8",
  "smallvec",
 ]
 
+[[package]]
+name = "lasso"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e14eda50a3494b3bf7b9ce51c52434a761e383d7238ce1dd5dcec2fbc13e9fb"
+dependencies = [
+ "ahash",
+ "dashmap",
+ "hashbrown 0.14.5",
+ "serde",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -2723,6 +3042,16 @@ dependencies = [
  "rayon",
 ]
 
+[[package]]
+name = "md-5"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d89e7ee0cfbedfc4da3340218492196241d89eefb6dab27de5df917a6d2e78cf"
+dependencies = [
+ "cfg-if",
+ "digest 0.10.7",
+]
+
 [[package]]
 name = "memchr"
 version = "2.8.3"
@@ -2871,16 +3200,16 @@ version = "27.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "066cf25f0e8b11ee0df221219010f213ad429855f57c494f995590c861a9a7d8"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.7.8",
  "bit-set",
  "bitflags 2.13.0",
  "cfg-if",
  "cfg_aliases",
- "codespan-reporting",
+ "codespan-reporting 0.12.0",
  "half",
  "hashbrown 0.16.1",
  "hexf-parse",
- "indexmap",
+ "indexmap 2.14.0",
  "libm",
  "log",
  "num-traits",
@@ -2968,6 +3297,7 @@ checksum = "c89e69e7e0f03bea5ef08013795c25018e101932225a656383bd384495ecc367"
 dependencies = [
  "num-integer",
  "num-traits",
+ "serde",
 ]
 
 [[package]]
@@ -3015,6 +3345,7 @@ dependencies = [
  "num-bigint",
  "num-integer",
  "num-traits",
+ "serde",
 ]
 
 [[package]]
@@ -3522,6 +3853,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7d950ca161dc355eaf28f82b11345ed76c6e1f6eb1f4f4479e0323b9e2fbd0e"
 dependencies = [
  "num-traits",
+ "rand 0.8.7",
+ "serde",
 ]
 
 [[package]]
@@ -3615,7 +3948,7 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "112d82ceb8c5bf524d9af484d4e4970c9fd5a0cc15ba14ad93dccd28873b0629"
 dependencies = [
- "digest",
+ "digest 0.11.3",
  "hmac",
 ]
 
@@ -3777,6 +4110,8 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0103b1cef7ec0cf76490e969665504990193874ea05c85ff9bab8b911d0a0564"
 dependencies = [
+ "serde_core",
+ "writeable",
  "zerovec",
 ]
 
@@ -3807,6 +4142,17 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e8cf8e6a8aa66ce33f63993ffc4ea4271eb5b0530a9002db8455ea6050c77bfa"
 
+[[package]]
+name = "pretty"
+version = "0.12.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d22152487193190344590e4f30e219cf3fe140d9e7a3fdb683d82aa2c5f4156"
+dependencies = [
+ "arrayvec 0.5.2",
+ "typed-arena",
+ "unicode-width 0.2.2",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "1.3.1"
@@ -3962,6 +4308,16 @@ version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
 
+[[package]]
+name = "rand"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22f6172bdec972074665ed81ed53b71da00bfc44b65a753cfde883ec4c702a1a"
+dependencies = [
+ "rand_core 0.6.4",
+ "serde",
+]
+
 [[package]]
 name = "rand"
 version = "0.9.4"
@@ -3969,7 +4325,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "44c5af06bb1b7d3216d91932aed5265164bf384dc89cd6ba05cf59a35f5f76ea"
 dependencies = [
  "rand_chacha",
- "rand_core",
+ "rand_core 0.9.5",
 ]
 
 [[package]]
@@ -3979,7 +4335,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.9.5",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "serde",
 ]
 
 [[package]]
@@ -3991,6 +4356,15 @@ dependencies = [
  "getrandom 0.3.4",
 ]
 
+[[package]]
+name = "rand_xoshiro"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f97cdb2a36ed4183de61b2f824cc45c9f1037f28afe0a322e9fff4c108b5aaa"
+dependencies = [
+ "rand_core 0.6.4",
+]
+
 [[package]]
 name = "range-alloc"
 version = "0.1.5"
@@ -4012,7 +4386,7 @@ dependencies = [
  "aligned-vec",
  "arbitrary",
  "arg_enum_proc_macro",
- "arrayvec",
+ "arrayvec 0.7.8",
  "av-scenechange",
  "av1-grain",
  "bitstream-io",
@@ -4030,7 +4404,7 @@ dependencies = [
  "num-traits",
  "paste",
  "profiling",
- "rand",
+ "rand 0.9.4",
  "rand_chacha",
  "simd_helpers",
  "thiserror 2.0.18",
@@ -4301,13 +4675,14 @@ dependencies = [
  "objc2-foundation 0.3.2",
  "objc2-service-management",
  "once_cell",
- "rand",
+ "rand 0.9.4",
  "rayon",
  "rfd",
  "rusqlite",
  "serde",
  "serde_json",
  "sha2",
+ "steel-core",
  "tempfile",
  "tokio",
  "toml 0.9.12+spec-1.1.0",
@@ -4371,6 +4746,12 @@ version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf54715a573b99ac80df0bc206da022bcd442c974952c7b9720069370852e21f"
 
+[[package]]
+name = "ryu"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9774ba4a74de5f7b1c1451ed6cd5285a32eddb5cccb8cc655a4e50009e06477f"
+
 [[package]]
 name = "same-file"
 version = "1.0.6"
@@ -4507,7 +4888,7 @@ checksum = "aacc4cc499359472b4abe1bf11d0b12e688af9a805fa5e3016f9a386dc2d0214"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest",
+ "digest 0.11.3",
 ]
 
 [[package]]
@@ -4518,7 +4899,7 @@ checksum = "446ba717509524cb3f22f17ecc096f10f4822d76ab5c0b9822c5f9c284e825f4"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest",
+ "digest 0.11.3",
 ]
 
 [[package]]
@@ -4530,6 +4911,15 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "shared_vector"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "673aacfea9afcf271e69d700140dc2a3e2ff44b1092dd0de71fdd4e5c26672a2"
+dependencies = [
+ "allocator-api2",
+]
+
 [[package]]
 name = "shlex"
 version = "2.0.1"
@@ -4583,6 +4973,16 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ee5873ec9cce0195efcb7a4e9507a04cd49aec9c83d0389df45b1ef7ba2e649"
 
+[[package]]
+name = "sized-chunks"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16d69225bde7a69b235da73377861095455d298f2b970996eec25ddbb42b3d1e"
+dependencies = [
+ "bitmaps",
+ "typenum",
+]
+
 [[package]]
 name = "skrifa"
 version = "0.37.0"
@@ -4770,12 +5170,119 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "steel-core"
+version = "0.8.2"
+source = "git+https://github.com/mattwparas/steel.git#dec633b908afeafeaf62bab457a92e2bf873745a"
+dependencies = [
+ "arc-swap",
+ "bigdecimal",
+ "bincode",
+ "chrono",
+ "codespan-reporting 0.11.1",
+ "compact_str",
+ "crossbeam-channel",
+ "crossbeam-queue",
+ "crossbeam-utils",
+ "env_home",
+ "futures-executor",
+ "futures-task",
+ "futures-util",
+ "getrandom 0.3.4",
+ "glob",
+ "httparse",
+ "icu_casemap",
+ "im-lists",
+ "im-rc",
+ "js-sys",
+ "lasso",
+ "log",
+ "md-5",
+ "num-bigint",
+ "num-integer",
+ "num-rational",
+ "num-traits",
+ "once_cell",
+ "parking_lot",
+ "polling",
+ "rand 0.9.4",
+ "rustc-hash 2.1.3",
+ "serde",
+ "serde_json",
+ "shared_vector",
+ "smallvec",
+ "steel-derive",
+ "steel-gen",
+ "steel-parser",
+ "steel-quickscope",
+ "strsim",
+ "thin-vec",
+ "weak-table",
+ "which",
+ "xdg",
+]
+
+[[package]]
+name = "steel-derive"
+version = "0.8.2"
+source = "git+https://github.com/mattwparas/steel.git#dec633b908afeafeaf62bab457a92e2bf873745a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.118",
+]
+
+[[package]]
+name = "steel-gen"
+version = "0.8.2"
+source = "git+https://github.com/mattwparas/steel.git#dec633b908afeafeaf62bab457a92e2bf873745a"
+dependencies = [
+ "codegen",
+ "serde",
+]
+
+[[package]]
+name = "steel-parser"
+version = "0.8.2"
+source = "git+https://github.com/mattwparas/steel.git#dec633b908afeafeaf62bab457a92e2bf873745a"
+dependencies = [
+ "compact_str",
+ "dashmap",
+ "lasso",
+ "log",
+ "num-bigint",
+ "num-rational",
+ "num-traits",
+ "once_cell",
+ "ordered-float",
+ "pretty",
+ "rustc-hash 2.1.3",
+ "serde",
+ "smallvec",
+ "thin-vec",
+]
+
+[[package]]
+name = "steel-quickscope"
+version = "0.3.2"
+source = "git+https://github.com/mattwparas/steel.git#dec633b908afeafeaf62bab457a92e2bf873745a"
+dependencies = [
+ "indexmap 2.14.0",
+ "smallvec",
+]
+
 [[package]]
 name = "strict-num"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6637bab7722d379c8b41ba849228d680cc12d0a45ba1fa2b48f2a30577a06731"
 
+[[package]]
+name = "strsim"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
+
 [[package]]
 name = "svg_fmt"
 version = "0.4.5"
@@ -4875,6 +5382,15 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "thin-vec"
+version = "0.2.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0f7e269b48f0a7dd0146680fa24b50cc67fc0373f086a5b2f99bd084639b482"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.69"
@@ -4965,7 +5481,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "83d13394d44dae3207b52a326c0c85a8bf87f1541f23b0d143811088497b09ab"
 dependencies = [
  "arrayref",
- "arrayvec",
+ "arrayvec 0.7.8",
  "bytemuck",
  "cfg-if",
  "log",
@@ -5003,6 +5519,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c8323304221c2a851516f22236c5722a72eaa19749016521d6dff0824447d96d"
 dependencies = [
  "displaydoc",
+ "serde_core",
  "zerovec",
 ]
 
@@ -5067,7 +5584,7 @@ version = "0.9.12+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf92845e79fc2e2def6a5d828f0801e29a2f8acc037becc5ab08595c7d5e9863"
 dependencies = [
- "indexmap",
+ "indexmap 2.14.0",
  "serde_core",
  "serde_spanned 1.1.1",
  "toml_datetime 0.7.5+spec-1.1.0",
@@ -5109,7 +5626,7 @@ version = "0.19.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
 dependencies = [
- "indexmap",
+ "indexmap 2.14.0",
  "toml_datetime 0.6.3",
  "winnow 0.5.40",
 ]
@@ -5120,7 +5637,7 @@ version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "396e4d48bbb2b7554c944bde63101b5ae446cff6ec4a24227428f15eb72ef338"
 dependencies = [
- "indexmap",
+ "indexmap 2.14.0",
  "serde",
  "serde_spanned 0.6.9",
  "toml_datetime 0.6.3",
@@ -5133,7 +5650,7 @@ version = "0.25.12+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2153edc6955a6c354fad8f5efd38b6a8769bdccf9fe50f8e1329f81b0baa5d7"
 dependencies = [
- "indexmap",
+ "indexmap 2.14.0",
  "toml_datetime 1.1.1+spec-1.1.0",
  "toml_parser",
  "winnow 1.0.3",
@@ -5246,6 +5763,12 @@ dependencies = [
  "core_maths",
 ]
 
+[[package]]
+name = "typed-arena"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6af6ae20167a9ece4bcb41af5b80f8a1f1df981f6391189ce00fd257af04126a"
+
 [[package]]
 name = "typed-path"
 version = "0.12.3"
@@ -5299,6 +5822,12 @@ version = "1.13.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6f5d3c3b1bf09027a88a6bc961fc00497d651009560b5463668dc81b0fa87a8"
 
+[[package]]
+name = "unicode-width"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
+
 [[package]]
 name = "unicode-width"
 version = "0.2.2"
@@ -5603,6 +6132,12 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "weak-table"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "323f4da9523e9a669e1eaf9c6e763892769b1d38c623913647bfdc1532fe4549"
+
 [[package]]
 name = "web-sys"
 version = "0.3.103"
@@ -5641,7 +6176,7 @@ version = "27.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bfe68bac7cde125de7a731c3400723cadaaf1703795ad3f4805f187459cd7a77"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.7.8",
  "bitflags 2.13.0",
  "cfg-if",
  "cfg_aliases",
@@ -5670,7 +6205,7 @@ version = "27.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "27a75de515543b1897b26119f93731b385a19aea165a1ec5f0e3acecc229cae7"
 dependencies = [
- "arrayvec",
+ "arrayvec 0.7.8",
  "bit-set",
  "bit-vec",
  "bitflags 2.13.0",
@@ -5678,7 +6213,7 @@ dependencies = [
  "cfg_aliases",
  "document-features",
  "hashbrown 0.16.1",
- "indexmap",
+ "indexmap 2.14.0",
  "log",
  "naga",
  "once_cell",
@@ -5730,7 +6265,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b21cb61c57ee198bc4aff71aeadff4cbb80b927beb912506af9c780d64313ce"
 dependencies = [
  "android_system_properties",
- "arrayvec",
+ "arrayvec 0.7.8",
  "ash",
  "bit-set",
  "bitflags 2.13.0",
@@ -5786,6 +6321,15 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "which"
+version = "8.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48d7cd18d4acb58fb3cdfe9ea54e6cd96a4e7d4cc45c56338b236e82dad47248"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -6306,6 +6850,12 @@ version = "0.3.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bec9e4a500ca8864c5b47b8b482a73d62e4237670e5b5f1d6b9e3cae50f28f2b"
 
+[[package]]
+name = "xdg"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fb433233f2df9344722454bc7e96465c9d03bff9d77c248f9e7523fe79585b5"
+
 [[package]]
 name = "xkbcommon-dl"
 version = "0.4.2"
@@ -6489,6 +7039,7 @@ dependencies = [
  "displaydoc",
  "yoke",
  "zerofrom",
+ "zerovec",
 ]
 
 [[package]]
@@ -6497,6 +7048,7 @@ version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90f911cbc359ab6af17377d242225f4d75119aec87ea711a880987b18cd7b239"
 dependencies = [
+ "serde",
  "yoke",
  "zerofrom",
  "zerovec-derive",
@@ -6527,7 +7079,7 @@ dependencies = [
  "flate2",
  "getrandom 0.4.3",
  "hmac",
- "indexmap",
+ "indexmap 2.14.0",
  "lzma-rust2",
  "memchr",
  "pbkdf2",
diff --git a/Cargo.toml b/Cargo.toml
index 7bb7ed1..a384296 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,6 +37,7 @@ rusqlite = { version = "0.40.1", features = ["bundled"] }
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.149"
 sha2 = "0.11.0"
+steel-core = { git = "https://github.com/mattwparas/steel.git" }
 tempfile = "3.27.0"
 tokio = { version = "1.48.0", features = ["full"] }
 toml = "0.9.8"
diff --git a/src/app.rs b/src/app.rs
index fc14b39..b1e9d4c 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -1,5 +1,6 @@
 //! Main logic for the app
 use std::collections::HashMap;
+use std::path::PathBuf;
 
 use crate::app::apps::{App, AppCommand, AppIcon, ICNS_ICON};
 use crate::commands::Function;
@@ -139,6 +140,11 @@ pub enum Message {
     KeyPressed(Shortcut),
     FocusTextInput(Move),
     HideWindow(Id),
+    AddExtensionApp {
+        display: String,
+        search: String,
+        icon_path: PathBuf,
+    },
     RunFunction(Function),
     OpenFocused,
     SetConfig(SetConfigFields),
diff --git a/src/app/tile.rs b/src/app/tile.rs
index 2bc6a5a..6b85ac1 100644
--- a/src/app/tile.rs
+++ b/src/app/tile.rs
@@ -8,6 +8,7 @@ use crate::autoupdate::new_version_available;
 use crate::clipboard::ClipBoardContentType;
 use crate::config::{Config, Shelly};
 use crate::debounce::Debouncer;
+use crate::extensions::ExtensionEngine;
 use crate::platform::default_app_paths;
 use crate::platform::macos::events::Event;
 use crate::platform::macos::launching::{EventTapHandle, Shortcut};
@@ -188,6 +189,7 @@ pub struct Tile {
     query_lc: String,
     results: Vec<App>,
     options: AppIndex,
+    extension_apps: AppIndex,
     emoji_apps: AppIndex,
     visible: bool,
     focused: bool,
@@ -206,6 +208,7 @@ pub struct Tile {
     debouncer: Debouncer,
     pub settings_window: Option<window::Id>,
     previous_input_source: Option<String>,
+    extension_engine: Option<ExtensionEngine>,
     conn: Connection,
 }
 
diff --git a/src/app/tile/elm.rs b/src/app/tile/elm.rs
index eeb2fd7..60fed1e 100644
--- a/src/app/tile/elm.rs
+++ b/src/app/tile/elm.rs
@@ -21,8 +21,8 @@ use crate::app::pages::settings::settings_page;
 use crate::app::tile::{AppIndex, Hotkeys};
 use crate::app::{DEFAULT_WINDOW_HEIGHT, SettingsTab, ToApp, ToApps};
 use crate::config::Theme;
-use crate::database::load_clipboard;
 use crate::debounce::Debouncer;
+use crate::extensions::ExtensionEngine;
 use crate::platform::macos::events::Event;
 use crate::styles::{
     contents_style, glass_border, glass_surface, results_scrollbar_style, rustcast_text_input_style,
@@ -92,6 +92,7 @@ pub fn new(hotkeys: Hotkeys, config: &Config) -> (Tile, Task<Message>) {
             options,
             hotkeys,
             events,
+            extension_apps: AppIndex::empty(),
             emoji_apps: AppIndex::from_apps(App::emoji_apps()),
             visible: true,
             frontmost: None,
@@ -102,6 +103,7 @@ pub fn new(hotkeys: Hotkeys, config: &Config) -> (Tile, Task<Message>) {
             clipboard_content: vec![],
             tray_icon: None,
             sender: None,
+            extension_engine: None,
             page: Page::Main,
             height: DEFAULT_WINDOW_HEIGHT,
             file_search_sender: None,
diff --git a/src/app/tile/update.rs b/src/app/tile/update.rs
index f4b834e..a53cf08 100644
--- a/src/app/tile/update.rs
+++ b/src/app/tile/update.rs
@@ -48,6 +48,7 @@ use crate::config::ThemeMode;
 use crate::database::load_clipboard;
 use crate::database::store_clipboard_content;
 use crate::debounce::DebouncePolicy;
+use crate::extensions::ExtensionEngine;
 use crate::platform::macos::events::Event;
 use crate::platform::macos::launching::Shortcut;
 use crate::platform::macos::launching::global_handler;
@@ -208,7 +209,20 @@ pub fn handle_update(tile: &mut Tile, message: Message) -> Task<Message> {
             thread::spawn(move || fs::write(home + "/.config/rustcast/config.toml", confg_str));
             Task::none()
         }
+        Message::AddExtensionApp {
+            display,
+            search,
+            icon_path,
+        } => {
+            dbg!("Adding new extension app");
+            Task::none()
+        }
         Message::SetSender(sender) => {
+            if tile.config.extensions {
+                let eng = ExtensionEngine::new(sender.clone());
+                tile.extension_engine = Some(eng)
+            }
+
             tile.sender = Some(sender.clone());
             match global_handler(sender.clone(), tile.hotkeys.all_hotkeys()) {
                 Ok(a) => tile.hotkeys.handle = Some(a),
diff --git a/src/config.rs b/src/config.rs
index 7986001..55cf84f 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -98,6 +98,7 @@ pub struct Config {
     pub buffer_rules: Buffer,
     pub event_duration: u32,
     pub main_page: MainPage,
+    pub extensions: bool,
     pub start_at_login: bool,
     pub theme: Theme,
     pub window_location: Position,
@@ -128,6 +129,7 @@ impl Default for Config {
             theme: Theme::default(),
             start_at_login: true,
             event_duration: 60,
+            extensions: true,
             placeholder: String::from("Time to be productive!"),
             search_url: "https://duckduckgo.com/search?q=%s".to_string(),
             cbhist: true,
diff --git a/src/extensions.rs b/src/extensions.rs
new file mode 100644
index 0000000..2bdb9f0
--- /dev/null
+++ b/src/extensions.rs
@@ -0,0 +1,120 @@
+use std::{
+    collections::HashMap,
+    fs,
+    path::PathBuf,
+    sync::{Arc, Mutex},
+    time::Duration,
+};
+
+use serde::{Deserialize, Serialize};
+use steel::steel_vm::{builtin::BuiltInModule, engine::Engine, register_fn::RegisterFn};
+
+use crate::app::tile::ExtSender;
+
+#[derive(Deserialize, Serialize)]
+#[serde(rename_all = "lowercase")]
+pub struct ExtensionItem {
+    src_file: PathBuf,
+    name: String,
+    icon_source_file: PathBuf,
+    ext_type: ExtensionType,
+    ext_config: HashMap<String, String>,
+}
+
+#[derive(Deserialize, Serialize)]
+#[serde(rename_all = "lowercase")]
+pub enum ExtensionType {
+    Constant,
+    Polled(Duration),
+    Dynamic,
+}
+
+pub struct Action {
+    run_file: PathBuf,
+}
+
+pub struct ExtensionEngine {
+    engine: Arc<Mutex<Engine>>,
+    extensions: Vec<ExtensionItem>,
+}
+
+impl ExtensionEngine {
+    pub fn new(sender: ExtSender) -> Self {
+        let mut engine = Engine::new();
+        let mut module = BuiltInModule::new("rustcast/core");
+        let sender = sender.clone();
+
+        module.register_fn("cli", extension_prelude::call_command);
+        module.register_fn("fswrite", extension_prelude::create_file);
+        module.register_fn("fsread", extension_prelude::read_file);
+        module.register_fn(
+            "populate",
+            move |name: String, search: String, icon_path: String| {
+                extension_prelude::populate(sender.clone(), name, search, icon_path)
+            },
+        );
+
+        engine.register_module(module);
+
+        ExtensionEngine {
+            engine: Arc::new(Mutex::new(engine)),
+            extensions: vec![],
+        }
+    }
+
+    pub fn load_extension(&mut self, extension_config_path: PathBuf) {
+        let Ok(config_str) = fs::read_to_string(extension_config_path) else {
+            return;
+        };
+
+        if let Some(conf) = toml::from_str(&config_str).ok() {
+            self.extensions.push(conf);
+        }
+    }
+}
+
+mod extension_prelude {
+    use std::path::Path;
+
+    use iced::futures::SinkExt;
+    use log::info;
+
+    use crate::app::tile::ExtSender;
+    pub fn call_command(command: String) -> String {
+        info!("Extension is calling CLI: {command}");
+        std::process::Command::new("sh")
+            .arg("-c")
+            .arg(command)
+            .output()
+            .ok()
+            .and_then(|x| String::from_utf8(x.stdout).ok())
+            .unwrap_or_default()
+    }
+
+    pub fn create_file(path: String, contents: String) {
+        info!("Extension called file write function");
+        std::fs::write(path, contents).ok();
+    }
+
+    pub fn read_file(path: String) -> String {
+        info!("Extension called file write function");
+        std::fs::read_to_string(path).unwrap_or_default()
+    }
+
+    pub fn populate(sender: ExtSender, name: String, search_name: String, icon_path: String) {
+        let sender = sender.clone();
+        tokio::task::spawn_blocking(async move || {
+            let icon_path = icon_path.clone();
+            let mut sender = sender.clone();
+            sender
+                .0
+                .send(crate::app::Message::AddExtensionApp {
+                    display: name,
+                    search: search_name,
+                    icon_path: Path::new(&(icon_path.clone())).to_path_buf(),
+                })
+                .await
+                .unwrap();
+        });
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index d9df578..6d48b2d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,7 @@
 #![deny(clippy::dbg_macro)]
 
+pub use steel::steel_vm;
+
 mod app;
 mod autoupdate;
 mod clipboard;
@@ -7,6 +9,7 @@ mod commands;
 mod config;
 mod database;
 mod debounce;
+mod extensions;
 mod platform;
 mod quit;
 mod styles;