Add immutable web export

.gitignore

@@ -4,6 +4,7 @@
 /crates/uhura-wasm/pkg
 /web/node_modules
 /web/dist
+/web/dist-export
 /examples/instagram/client/providers/dist
 /examples/instagram/client/build
 /examples/applications/*/answers/*/build

README.md

@@ -25,6 +25,7 @@ to authoritative data and operations.
 - Typed ports admitted against exact adapter ownership and contract identities.
 - A read-only Editor for browsing checked previews.
 - A Play mode for running the experience against a provider.
+- An immutable Web export of one checked Editor/Play generation.
 - One canonical engine used natively and through Wasm, with cross-boundary
   conformance tests.
 
@@ -79,6 +80,10 @@ cargo run --locked -p uhura-cli -- check \
 # Start Play as the primary route; Editor remains available at /
 cargo run --locked -p uhura-cli -- play examples/instagram/client
 
+# Export ordinary files for any static host; no Uhura process runs at serving time
+cargo run --locked -p uhura-cli -- export examples/instagram/client \
+  --out dist/instagram-web --mount /instagram/
+
 # Serialize one source-authored evidence scenario as canonical JSONL
 cargo run --locked -p uhura-cli -- trace examples/instagram/client \
   --script=feed_like_refused_scenario --expanded
@@ -94,6 +99,11 @@ corepack pnpm@10.11.0 -C web check
 Editor previews. `--script` selects an authored `scenario`; it is not a
 fixture-script language or an alternate runtime.
 
+`export` uses the packaged mount-neutral Web template and browser Wasm runtime.
+The resulting directory is host-vendor agnostic but mount-specific. Its
+`uhura-static-bundle.json` records the entry document and required
+mount-scoped history fallback.
+
 ## Repository layout
 
 - [`crates/`](crates/) — checker, runtime, host, Wasm bindings, CLI, and the

crates/uhura-cli/Cargo.toml

@@ -26,6 +26,7 @@ uhura-check = { workspace = true }
 uhura-core = { workspace = true }
 uhura-project = { workspace = true }
 uhura-host = { workspace = true }
+uhura-port = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
 tiny_http = { workspace = true }