diff --git a/.github/workflows/core-tip.yml b/.github/workflows/core-tip.yml
index 6238b40..b645698 100644
--- a/.github/workflows/core-tip.yml
+++ b/.github/workflows/core-tip.yml
@@ -71,7 +71,7 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: LyraCoreProject/LyraCore
-          ref: 7e83dc2cfe7af2df8a475cd02d489b7647e853ae
+          ref: f91066df4aef5c8d753dbe1d2203c6a669f485fa
           path: lyracore
           persist-credentials: false
 
@@ -136,7 +136,7 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: LyraCoreProject/LyraCore
-          ref: 7e83dc2cfe7af2df8a475cd02d489b7647e853ae
+          ref: f91066df4aef5c8d753dbe1d2203c6a669f485fa
           path: lyracore
           persist-credentials: false
 
@@ -202,7 +202,7 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: LyraCoreProject/LyraCore
-          ref: 7e83dc2cfe7af2df8a475cd02d489b7647e853ae
+          ref: f91066df4aef5c8d753dbe1d2203c6a669f485fa
           path: lyracore
           persist-credentials: false
       - name: Install the Rust toolchain and Wasm target
@@ -753,7 +753,7 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: LyraCoreProject/LyraCore
-          ref: 7e83dc2cfe7af2df8a475cd02d489b7647e853ae
+          ref: f91066df4aef5c8d753dbe1d2203c6a669f485fa
           path: lyracore
           persist-credentials: false
       - name: Install the Rust toolchain and Wasm target
@@ -975,7 +975,7 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: LyraCoreProject/LyraCore
-          ref: 7e83dc2cfe7af2df8a475cd02d489b7647e853ae
+          ref: f91066df4aef5c8d753dbe1d2203c6a669f485fa
           path: lyracore
           persist-credentials: false
       - name: Install the Rust toolchain and Wasm target
@@ -1174,7 +1174,7 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: LyraCoreProject/LyraCore
-          ref: 7e83dc2cfe7af2df8a475cd02d489b7647e853ae
+          ref: f91066df4aef5c8d753dbe1d2203c6a669f485fa
           path: lyracore
           persist-credentials: false
       - name: Install the Rust toolchain and Wasm target
diff --git a/.github/workflows/playerbots-capacity.yml b/.github/workflows/playerbots-capacity.yml
index a1b6086..a96f4bf 100644
--- a/.github/workflows/playerbots-capacity.yml
+++ b/.github/workflows/playerbots-capacity.yml
@@ -42,7 +42,7 @@ jobs:
         with:
           repository: LyraCoreProject/LyraCore
           # Core supplies the shared private integration fixtures.
-          ref: 7e83dc2cfe7af2df8a475cd02d489b7647e853ae
+          ref: f91066df4aef5c8d753dbe1d2203c6a669f485fa
           path: lyracore
           persist-credentials: false
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
diff --git a/.github/workflows/playerbots-class-behavior.yml b/.github/workflows/playerbots-class-behavior.yml
index 853c1f3..1ec0189 100644
--- a/.github/workflows/playerbots-class-behavior.yml
+++ b/.github/workflows/playerbots-class-behavior.yml
@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: LyraCoreProject/LyraCore
-          ref: 7e83dc2cfe7af2df8a475cd02d489b7647e853ae
+          ref: f91066df4aef5c8d753dbe1d2203c6a669f485fa
           path: lyracore
           persist-credentials: false
       - name: Install pinned Rust and SpacetimeDB
diff --git a/.github/workflows/playerbots-target-claims.yml b/.github/workflows/playerbots-target-claims.yml
index 44165ef..ac5d077 100644
--- a/.github/workflows/playerbots-target-claims.yml
+++ b/.github/workflows/playerbots-target-claims.yml
@@ -48,7 +48,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: LyraCoreProject/LyraCore
-          ref: 7e83dc2cfe7af2df8a475cd02d489b7647e853ae
+          ref: f91066df4aef5c8d753dbe1d2203c6a669f485fa
           path: lyracore
           persist-credentials: false
       - name: Install pinned Rust and SpacetimeDB
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a7d645a..c98ea43 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -16,5 +16,12 @@ its `script.identity` Build Identity sidecar may be committed under a Package's
 names and refuses any other committed file there. `lyracore packages check` verifies the Build
 Identity against the current core checkout.
 
+Runtime Scripts declare a named function that takes its typed event and register it with
+`events.player.onLogin`, another built-in event, or `events.package.on` for a Package Event.
+Each source has one Event Binding. The Runtime Script Toolchain writes stable numeric IDs to the
+Package-root `script-ids.json`; new sources need no `@id` directive. Commit that ledger with the
+sources, Script Artifact and Build Identity. Keep entries for removed sources so later sources
+cannot reuse their IDs.
+
 Pull requests must pass the `module` core-tip compatibility check before merge. Maintainers may use
 their GitHub branch-protection bypass only to recover the repository or repair CI.
diff --git a/README.md b/README.md
index b2c4f93..327e52b 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,8 @@
 This repository is LyraCore's Official Package Collection. Each visible top-level directory is one
 independently installable Package. There is no separate registry or index file.
 
-Each Package API version has a tag, such as `api-v1`. After the compatibility checks pass on
+The typed Runtime Script examples require Package API version 2. Each Package API version has a
+tag, such as `api-v2`. After the compatibility checks pass on
 `main`, CI moves the tag for the checked Core revision's Package API version to that collection
 commit. Tags for older API versions stay at their last compatible commit.
 
diff --git a/example-all/README.md b/example-all/README.md
index 68b4d6d..abf163b 100644
--- a/example-all/README.md
+++ b/example-all/README.md
@@ -1,16 +1,18 @@
 # Rust asks a Runtime Script
 
 On login, Rust calls `ask()` for Package Event `example-all.welcome`. `scripts/welcome.lua`
-answers `1`, so Rust sends a welcome through `actor::system_message`. Change the Script Answer
-to `0` to suppress it.
+registers its `welcome(event)` function with `events.package.on("welcome", welcome)` and answers
+`1`, so Rust sends a welcome through `actor::system_message`. Change the Script Answer to `0` to
+suppress it.
 
 When no script answers, Rust reads Package Config key `welcome`. `false` suppresses the greeting;
 `true`, a missing value, or an invalid value sends it. The default is `true`. Package tests run
-the authored Lua in the Runtime Script Host and check the fallback.
+the compiled Script Artifact Lua in the Runtime Script Host and check the fallback.
 
 Install with `./lyracore packages add example-all`, then run `./lyracore packages apply` on your
 development topology. It builds artifacts when needed, publishes the Module, repairs schedules,
 and applies the Script Artifact.
-After editing the Runtime Script, run `./lyracore packages build` and commit its Script
-Artifact and Build Identity together. Its Script ID is 100302. Give copies distinct IDs before
-installing them together.
+After editing the Runtime Script, run `./lyracore packages build`. Commit the sources,
+`script-ids.json`, Script Artifact and its Build Identity together. The Runtime Script Toolchain
+manages IDs in `script-ids.json`; keep its entries when you remove a source. Use
+`./lyracore packages new NAME --from example-all` to make a copy with new IDs.
diff --git a/example-all/data/.generated/example-all.script.json b/example-all/data/.generated/example-all.script.json
index dbc2c2f..1b7b148 100644
--- a/example-all/data/.generated/example-all.script.json
+++ b/example-all/data/.generated/example-all.script.json
@@ -2,7 +2,7 @@
   "kind": "script",
   "version": 1,
   "package": "example-all",
-  "source_hash": "bd88e41c6f9976c287287db30ed0ce0b07d0b64fca7398d1093f5987dacc9dfb",
+  "source_hash": "da52243f0368fd7089dab7de331069ec91a3d18356c5f6104414ebed5dfe4695",
   "scripts": [
     {
       "script_id": 100302,
@@ -10,7 +10,7 @@
       "event": "example-all.welcome",
       "priority": 0,
       "enabled": true,
-      "source": "-- @event example-all.welcome\n-- @id 100302\n\n-- A positive Script Answer sends the welcome. Zero suppresses it.\nreturn 1\n"
+      "source": "local ____lyracore_handler\nlocal events = { package = { on = function(name, handler) ____lyracore_handler = handler end } }\n-- A positive Script Answer sends the welcome. Zero suppresses it.\nlocal function welcome(event)\n    return 1\nend\n\nevents.package.on(\"welcome\", welcome)\nassert(event.name == \"example-all.welcome\", \"Event Binding does not match the Invocation\")\nreturn ____lyracore_handler(event)\n"
     }
   ]
 }
diff --git a/example-all/data/.generated/script.identity b/example-all/data/.generated/script.identity
index f4ca595..e8a01b1 100644
--- a/example-all/data/.generated/script.identity
+++ b/example-all/data/.generated/script.identity
@@ -1 +1 @@
-{"artifact_hash":"sha256-v1:7e6c882d9086c81c9bb49d1a676b8d96cd7f2c08d9dc5e4662d72eeb95f9a816","bun_lock_hash":"sha256-v1:a3dc4c9ef1ff2b0b3502de7fc828c237f16df8a817e14a3412a08f8b052c0252","bun_version":"1.3.7","source_hash":"sha256-script-sources-v1:bd88e41c6f9976c287287db30ed0ce0b07d0b64fca7398d1093f5987dacc9dfb","toolchain_hash":"sha256-dir-v1:f53d4056ac988e2966186bcc407b34a9ed525b385e53cc7135d2fa866dab69f4","version":1}
\ No newline at end of file
+{"artifact_hash":"sha256-v1:33fbf39669bdd50c1dd1663a0d99e1ce3685f4b955a36d9dce978a1a5470aecb","bun_lock_hash":"sha256-v1:204b5c8c24eb4aa5256713ba8a0d321e06bb60a3adf7889b839932cd895bf079","bun_version":"1.3.7","source_hash":"sha256-script-sources-v1:da52243f0368fd7089dab7de331069ec91a3d18356c5f6104414ebed5dfe4695","toolchain_hash":"sha256-dir-v1:8210555afb9a86ad523c1d19f93dd7440c14c509262493637ca79a0ff115aa08","version":1}
\ No newline at end of file
diff --git a/example-all/script-ids.json b/example-all/script-ids.json
new file mode 100644
index 0000000..6466105
--- /dev/null
+++ b/example-all/script-ids.json
@@ -0,0 +1,7 @@
+{
+  "version": 1,
+  "package": "example-all",
+  "ids": {
+    "welcome": 100302
+  }
+}
diff --git a/example-all/scripts/welcome.lua b/example-all/scripts/welcome.lua
index d962a53..acc4213 100644
--- a/example-all/scripts/welcome.lua
+++ b/example-all/scripts/welcome.lua
@@ -1,5 +1,6 @@
--- @event example-all.welcome
--- @id 100302
-
 -- A positive Script Answer sends the welcome. Zero suppresses it.
-return 1
+local function welcome(event)
+    return 1
+end
+
+events.package.on("welcome", welcome)
diff --git a/example-all/src/tests.rs b/example-all/src/tests.rs
index 5dd6659..232c77c 100644
--- a/example-all/src/tests.rs
+++ b/example-all/src/tests.rs
@@ -1,17 +1,14 @@
 #![cfg(test)]
 
-use crate::package_test::{ask_offline, RuntimeScript};
+use crate::package_test::{ask_artifact_offline, ask_offline};
 
 #[test]
 fn the_script_answer_overrides_config() {
-    let answer = ask_offline(
+    let answer = ask_artifact_offline(
         super::WELCOME_EVENT,
         None,
         None,
-        &[RuntimeScript {
-            name: "example-all.welcome",
-            source: include_str!("../scripts/welcome.lua"),
-        }],
+        include_str!("../data/.generated/example-all.script.json"),
     )
     .unwrap();
     assert_eq!(answer, Some(1.0));
diff --git a/example-script/README.md b/example-script/README.md
index b207d4c..72168cd 100644
--- a/example-script/README.md
+++ b/example-script/README.md
@@ -1,11 +1,14 @@
 # Welcome with Runtime Scripts
 
-`welcome.ts` sends one chat line on login. `ding.lua` sends one on level-up. Both use
-`send_chat` on the Character carried by the event. This Package needs no Rust.
+`welcome.ts` registers `welcome` with `events.player.onLogin`. `ding.lua` registers `ding` with
+`events.player.onLevelUp`. Both send one chat line to `event.player`, the Character the typed event
+guarantees. This Package needs no Rust.
 
 Install with `./lyracore packages add example-script`, then apply the committed Script Artifact
-with `./lyracore packages apply` on your development topology. It builds missing or stale artifacts when needed. After editing
-either source, run
-`./lyracore packages build` and commit the Script Artifact and its Build Identity together.
+with `./lyracore packages apply` on your development topology. It builds missing or stale artifacts
+when needed. After editing either source, run `./lyracore packages build`. Commit the sources,
+`script-ids.json`, Script Artifact and its Build Identity together.
 
-The Script IDs are 100300 and 100301. Give copies distinct IDs before installing them together.
+The Runtime Script Toolchain manages IDs in `script-ids.json`. Keep the ledger, including entries
+for removed sources. Each Runtime Script keeps the name `<package>.<file stem>` and its ID when
+you rename its handler. Use `./lyracore packages new NAME` to make a copy with new IDs.
diff --git a/example-script/data/.generated/example-script.script.json b/example-script/data/.generated/example-script.script.json
index d4c82d6..ab67ae3 100644
--- a/example-script/data/.generated/example-script.script.json
+++ b/example-script/data/.generated/example-script.script.json
@@ -2,7 +2,7 @@
   "kind": "script",
   "version": 1,
   "package": "example-script",
-  "source_hash": "24b601f2db72799e6c3879c59b1bfd03d4ee92e10dde5ebc94920fb91cea9f72",
+  "source_hash": "b0ac07be3c3f6367321bec3fa9294fa6bc5be30da36edd4357029446c37e8fbd",
   "scripts": [
     {
       "script_id": 100300,
@@ -10,7 +10,7 @@
       "event": "on_login",
       "priority": 0,
       "enabled": true,
-      "source": "local function ____tbl(t)\n    return t\nend\nlocal function script()\n    if event.actor and event.actor.is_player then\n        send_chat(event.actor, \"Welcome from example-script!\")\n    end\nend\nreturn script()\n"
+      "source": "local ____lyracore_handler\nlocal events = { player = { onLogin = function(handler) ____lyracore_handler = handler end } }\nlocal function ____tbl(t)\n    return t\nend\nlocal function welcome(event)\n    send_chat(event.player, \"Welcome from example-script!\")\nend\nevents.player.onLogin(welcome)\nassert(event.name == \"on_login\", \"Event Binding does not match the Invocation\")\nassert(event.player and event.player.is_player, \"on_login requires a Character\")\nreturn ____lyracore_handler(event)\n"
     },
     {
       "script_id": 100301,
@@ -18,7 +18,7 @@
       "event": "on_levelup",
       "priority": 0,
       "enabled": true,
-      "source": "-- @event on_levelup\n-- @id 100301\n\nif event.actor and event.actor.is_player then\n    send_chat(event.actor, \"Welcome to your new level from example-script!\")\nend\n"
+      "source": "local ____lyracore_handler\nlocal events = { player = { onLevelUp = function(handler) ____lyracore_handler = handler end } }\nlocal function ding(event)\n    send_chat(event.player, \"Welcome to your new level from example-script!\")\nend\n\nevents.player.onLevelUp(ding)\nassert(event.name == \"on_levelup\", \"Event Binding does not match the Invocation\")\nassert(event.player and event.player.is_player, \"on_levelup requires a Character\")\nreturn ____lyracore_handler(event)\n"
     }
   ]
 }
diff --git a/example-script/data/.generated/script.identity b/example-script/data/.generated/script.identity
index cecf6cc..3604f8c 100644
--- a/example-script/data/.generated/script.identity
+++ b/example-script/data/.generated/script.identity
@@ -1 +1 @@
-{"artifact_hash":"sha256-v1:8f8a8b9d8d9b029091c7478912c35d1b7a0a74bda9b9fbbb8c8ed9672fd35a07","bun_lock_hash":"sha256-v1:a3dc4c9ef1ff2b0b3502de7fc828c237f16df8a817e14a3412a08f8b052c0252","bun_version":"1.3.7","source_hash":"sha256-script-sources-v1:24b601f2db72799e6c3879c59b1bfd03d4ee92e10dde5ebc94920fb91cea9f72","toolchain_hash":"sha256-dir-v1:f53d4056ac988e2966186bcc407b34a9ed525b385e53cc7135d2fa866dab69f4","version":1}
\ No newline at end of file
+{"artifact_hash":"sha256-v1:6664b08332c285da3a50665d73321c8ebff4ad53160c57606690261a2e616907","bun_lock_hash":"sha256-v1:204b5c8c24eb4aa5256713ba8a0d321e06bb60a3adf7889b839932cd895bf079","bun_version":"1.3.7","source_hash":"sha256-script-sources-v1:b0ac07be3c3f6367321bec3fa9294fa6bc5be30da36edd4357029446c37e8fbd","toolchain_hash":"sha256-dir-v1:8210555afb9a86ad523c1d19f93dd7440c14c509262493637ca79a0ff115aa08","version":1}
\ No newline at end of file
diff --git a/example-script/script-ids.json b/example-script/script-ids.json
new file mode 100644
index 0000000..e80466c
--- /dev/null
+++ b/example-script/script-ids.json
@@ -0,0 +1,8 @@
+{
+  "version": 1,
+  "package": "example-script",
+  "ids": {
+    "ding": 100301,
+    "welcome": 100300
+  }
+}
diff --git a/example-script/scripts/ding.lua b/example-script/scripts/ding.lua
index b18f08c..a89ead0 100644
--- a/example-script/scripts/ding.lua
+++ b/example-script/scripts/ding.lua
@@ -1,6 +1,5 @@
--- @event on_levelup
--- @id 100301
-
-if event.actor and event.actor.is_player then
-    send_chat(event.actor, "Welcome to your new level from example-script!")
+local function ding(event)
+    send_chat(event.player, "Welcome to your new level from example-script!")
 end
+
+events.player.onLevelUp(ding)
diff --git a/example-script/scripts/welcome.ts b/example-script/scripts/welcome.ts
index a6fccb5..20d93aa 100644
--- a/example-script/scripts/welcome.ts
+++ b/example-script/scripts/welcome.ts
@@ -1,8 +1,5 @@
-// @event on_login
-// @id 100300
-
-function script(): void {
-  if (event.actor && event.actor.is_player) {
-    send_chat(event.actor, "Welcome from example-script!");
-  }
+function welcome(event: PlayerLoginEvent): void {
+  send_chat(event.player, "Welcome from example-script!");
 }
+
+events.player.onLogin(welcome);
diff --git a/playerbots/testsuite/Cargo.lock b/playerbots/testsuite/Cargo.lock
index afba991..713dc85 100644
--- a/playerbots/testsuite/Cargo.lock
+++ b/playerbots/testsuite/Cargo.lock
@@ -171,6 +171,7 @@ version = "0.1.0"
 name = "lyracore-test-support"
 version = "0.1.0"
 dependencies = [
+ "rustc_lexer",
  "serde_json",
 ]
 
@@ -265,6 +266,15 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "rustc_lexer"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c86aae0c77166108c01305ee1a36a1e77289d7dc6ca0a3cd91ff4992de2d16a5"
+dependencies = [
+ "unicode-xid",
+]
+
 [[package]]
 name = "serde"
 version = "1.0.229"
@@ -364,6 +374,12 @@ version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
+
 [[package]]
 name = "version_check"
 version = "0.9.5"