feat(embed): replace the local agent loop with native OpenHuman workers

.github/actions/free-disk/action.yml

@@ -9,7 +9,7 @@ runs:
   steps:
     # A stock ubuntu-latest runner ships ~25 GB of Android SDK, .NET, GHC and
     # CodeQL that nothing in this repository touches, and leaves roughly 14 GB
-    # free. This workspace does not fit in that: the vendored `tinyagents`,
+    # free. This workspace does not fit in that: the vendored `openhuman-embed`,
     # `tinyflows` and `tinyhumans-sdk` crates plus every member crate, built
     # `--all-targets` with debuginfo, on top of a restored rust-cache and the
     # sccache disk cache.

.github/actions/sccache/action.yml

@@ -18,7 +18,7 @@ description: >-
 # as first-party and strips their rlibs and fingerprints out of the cache — so
 # every Rust lane recompiled them from scratch on each run, cache hit or not.
 # The volume is far smaller since the embedded OpenHuman core left (it alone was
-# ~497k compiled lines under medulla's feature set), but tinyagents and
+# ~497k compiled lines under medulla's feature set), but openhuman-embed and
 # tinyflows are still worth not rebuilding five times per run.
 #
 # sccache is the fix rather than a rust-cache option because rust-cache has no

.github/workflows/ci.yml

@@ -224,9 +224,9 @@ jobs:
           if [ -n "$dupes" ]; then
             echo "Duplicate packages that must be unified:"; echo "$dupes"; exit 1
           fi
-          for crate in tinyagents-harness tinyflows; do
-            vendor=tinyagents
-            if [ "$crate" = tinyflows ]; then vendor=tinyflows; fi
+          for pair in openhuman-embed:openhuman tinyflows:tinyflows; do
+            crate=${pair%%:*}
+            vendor=${pair#*:}
             if ! cargo tree -i "$crate" | head -1 | grep -q "vendor/$vendor"; then
               echo "$crate did not resolve to the vendored tree:"
               cargo tree -i "$crate" | head -1

.gitmodules

@@ -1,9 +1,9 @@
 [submodule "vendor/tinyflows"]
 	path = vendor/tinyflows
 	url = https://github.com/tinyhumansai/tinyflows.git
-[submodule "vendor/tinyagents"]
-	path = vendor/tinyagents
-	url = https://github.com/tinyhumansai/tinyagents.git
 [submodule "vendor/tinyhumans-sdk"]
 	path = vendor/tinyhumans-sdk
 	url = https://github.com/tinyhumansai/sdk.git
+[submodule "vendor/openhuman"]
+	path = vendor/openhuman
+	url = https://github.com/tinyhumansai/openhuman.git