diff --git a/chat/__init__.py b/chat/__init__.py
new file mode 100644
index 00000000..a400e87f
--- /dev/null
+++ b/chat/__init__.py
@@ -0,0 +1,3 @@
+from .runtime import ChatRuntime
+
+__all__ = ["ChatRuntime"]
diff --git a/chat/runtime.py b/chat/runtime.py
new file mode 100644
index 00000000..cc603400
--- /dev/null
+++ b/chat/runtime.py
@@ -0,0 +1,53 @@
+from __future__ import annotations
+
+from language_packs import OOVPolicy, load_pack, load_pack_entries
+from persona.motor import PersonaMotor
+from field.state import FieldState
+from session.context import SessionContext
+
+
+class ChatRuntime:
+    def __init__(self, pack_id: str = "en_minimal_v1") -> None:
+        manifest, manifold = load_pack(pack_id)
+        self._manifest = manifest
+        self._context = SessionContext(manifold, persona=PersonaMotor.identity())
+        self._index_by_surface = {w: i for i, w in enumerate(self._context.vocab._words)}
+        self._pos_by_surface = {
+            e.surface: (e.pos or e.part_of_speech or "X") for e in load_pack_entries(pack_id)
+        }
+
+    def _apply_oov_policy(self, tokens: list[str]) -> list[str]:
+        kept: list[str] = []
+        for token in tokens:
+            try:
+                self._context.vocab.get_versor(token)
+                kept.append(token)
+            except KeyError:
+                if self._manifest.oov_policy is OOVPolicy.FAIL_CLOSED:
+                    raise
+                if self._manifest.oov_policy is OOVPolicy.PROPOSE_VOCAB_EXPANSION:
+                    raise KeyError(f"OOV token requires vocab proposal: {token}")
+        return kept
+
+    def _syntactic_guard(self, tokens: tuple[str, ...]) -> list[str]:
+        out: list[str] = []
+        prev_pos: str | None = None
+        for token in tokens:
+            pos = self._pos_by_surface.get(token, "X")
+            if pos == prev_pos:
+                continue
+            out.append(token)
+            prev_pos = pos
+        return out
+
+    def respond(self, text: str, max_tokens: int = 32) -> str:
+        tokens = [t.strip() for t in text.split() if t.strip()]
+        filtered = self._apply_oov_policy(tokens)
+        if not filtered:
+            return ""
+        self._context.ingest(filtered)
+        node_idx = self._index_by_surface.get(filtered[0], 0)
+        self._context.state = FieldState(F=self._context.state.F, node=node_idx, step=self._context.state.step)
+        result = self._context.respond(max_tokens=max_tokens)
+        guarded = self._syntactic_guard(result.tokens)
+        return " ".join(guarded)
diff --git a/language_packs/__init__.py b/language_packs/__init__.py
index 657a06c3..aeb39260 100644
--- a/language_packs/__init__.py
+++ b/language_packs/__init__.py
@@ -16,6 +16,12 @@ from .schema import (
     MorphologyEntry,
     OOVPolicy,
 )
+from .compiler import (
+    compile_entries_to_manifold,
+    compile_entries_to_modality_vocab,
+    load_pack,
+    load_pack_entries,
+)
 
 __all__ = [
     "AlignmentEdge",
@@ -26,4 +32,8 @@ __all__ = [
     "LexicalEntry",
     "MorphologyEntry",
     "OOVPolicy",
+    "compile_entries_to_manifold",
+    "compile_entries_to_modality_vocab",
+    "load_pack",
+    "load_pack_entries",
 ]
diff --git a/language_packs/compiler.py b/language_packs/compiler.py
new file mode 100644
index 00000000..d314bb0b
--- /dev/null
+++ b/language_packs/compiler.py
@@ -0,0 +1,123 @@
+from __future__ import annotations
+
+import hashlib
+import json
+from pathlib import Path
+
+import numpy as np
+
+from algebra.cl41 import geometric_product
+from algebra.versor import unitize_versor
+from language_packs.schema import LanguagePackManifest, LanguageRole, LexicalEntry, OOVPolicy
+from sensorium.protocol import CL41_DIM, ModalityVocabulary
+from vocab.manifold import VocabManifold
+
+
+def _hash_to_blade(name: str, salt: str) -> int:
+    digest = hashlib.sha256(f"{salt}:{name}".encode("utf-8")).digest()
+    return int.from_bytes(digest[:2], "big") % CL41_DIM
+
+
+def _hash_unit(name: str, salt: str) -> float:
+    digest = hashlib.sha256(f"{salt}:{name}".encode("utf-8")).digest()
+    return int.from_bytes(digest[:4], "big") / 2**32
+
+
+def _feature_rotor(name: str, salt: str, weight: float) -> np.ndarray:
+    # Grade-2 block indices 6..15.
+    idx = 6 + (_hash_to_blade(name, f"{salt}:biv") % 10)
+    theta = (0.2 + 0.8 * _hash_unit(name, f"{salt}:angle")) * weight
+    rotor = np.zeros(CL41_DIM, dtype=np.float32)
+    rotor[0] = np.cos(theta)
+    rotor[idx] = np.sin(theta)
+    return rotor
+
+
+def _entry_to_coordinate(entry: LexicalEntry) -> np.ndarray:
+    vec = np.zeros(CL41_DIM, dtype=np.float32)
+    vec[0] = 1.0
+
+    pos = (entry.pos or entry.part_of_speech or "").lower()
+    for domain in entry.semantic_domains:
+        vec = geometric_product(vec, _feature_rotor(domain.lower(), "domain", 0.7))
+
+    if pos:
+        vec = geometric_product(vec, _feature_rotor(pos, "pos", 0.35))
+
+    for tag in entry.morphology_tags:
+        vec = geometric_product(vec, _feature_rotor(tag.lower(), "morph", 0.15))
+
+    vec = geometric_product(vec, _feature_rotor(entry.lemma.lower(), "lemma", 0.1))
+    vec = geometric_product(vec, _feature_rotor(entry.surface.lower(), "surface", 0.05))
+    return unitize_versor(vec)
+
+
+def compile_entries_to_manifold(entries: list[LexicalEntry]) -> VocabManifold:
+    manifold = VocabManifold()
+    for entry in entries:
+        versor = _entry_to_coordinate(entry)
+        manifold.add(entry.surface, versor)
+    return manifold
+
+
+def compile_entries_to_modality_vocab(entries: list[LexicalEntry]) -> ModalityVocabulary[str]:
+    vocab: ModalityVocabulary[str] = ModalityVocabulary()
+    for entry in entries:
+        point = _entry_to_coordinate(entry)
+        vocab.register_point(entry.surface, point)
+    return vocab
+
+
+def _parse_entry(payload: dict) -> LexicalEntry:
+    return LexicalEntry(
+        entry_id=payload["entry_id"],
+        surface=payload["surface"],
+        lemma=payload.get("lemma", payload["surface"]),
+        language=payload["language"],
+        part_of_speech=payload.get("part_of_speech"),
+        pos=payload.get("pos"),
+        morphology_id=payload.get("morphology_id"),
+        morphology_tags=tuple(payload.get("morphology_tags", [])),
+        semantic_domains=tuple(payload.get("semantic_domains", [])),
+        manifold_point_checksum=payload.get("manifold_point_checksum"),
+        provenance_ids=tuple(payload.get("provenance_ids", [])),
+    )
+
+
+def load_pack(pack_id: str) -> tuple[LanguagePackManifest, VocabManifold]:
+    pack_dir = Path(__file__).parent / "data" / pack_id
+    manifest_path = pack_dir / "manifest.json"
+    lexicon_path = pack_dir / "lexicon.jsonl"
+
+    manifest_payload = json.loads(manifest_path.read_text(encoding="utf-8"))
+    lexicon_bytes = lexicon_path.read_bytes()
+    checksum = hashlib.sha256(lexicon_bytes).hexdigest()
+    if checksum != manifest_payload["checksum"]:
+        raise ValueError(f"Checksum mismatch for {pack_id}: {checksum} != {manifest_payload['checksum']}")
+
+    entries = load_pack_entries(pack_id)
+
+    manifest = LanguagePackManifest(
+        pack_id=manifest_payload["pack_id"],
+        language=manifest_payload["language"],
+        role=LanguageRole(manifest_payload["role"]),
+        script=manifest_payload["script"],
+        normalization_policy=manifest_payload["normalization_policy"],
+        source_manifest=manifest_payload["source_manifest"],
+        determinism_class=manifest_payload["determinism_class"],
+        checksum=manifest_payload["checksum"],
+        version=manifest_payload.get("version", "1.0.0"),
+        gate_engaged=manifest_payload.get("gate_engaged", False),
+        oov_policy=OOVPolicy(manifest_payload.get("oov_policy", OOVPolicy.FAIL_CLOSED.value)),
+    )
+    return manifest, compile_entries_to_manifold(entries)
+
+
+def load_pack_entries(pack_id: str) -> list[LexicalEntry]:
+    pack_dir = Path(__file__).parent / "data" / pack_id
+    lexicon_path = pack_dir / "lexicon.jsonl"
+    entries: list[LexicalEntry] = []
+    for line in lexicon_path.read_text(encoding="utf-8").splitlines():
+        if line.strip():
+            entries.append(_parse_entry(json.loads(line)))
+    return entries
diff --git a/language_packs/data/en_minimal_v1/lexicon.jsonl b/language_packs/data/en_minimal_v1/lexicon.jsonl
new file mode 100644
index 00000000..71268932
--- /dev/null
+++ b/language_packs/data/en_minimal_v1/lexicon.jsonl
@@ -0,0 +1,60 @@
+{"entry_id":"en-001","surface":"yes","lemma":"yes","language":"en","pos":"PART","semantic_domains":["affirmation","logic"],"morphology_tags":["particle"]}
+{"entry_id":"en-002","surface":"no","lemma":"no","language":"en","pos":"PART","semantic_domains":["negation","logic"],"morphology_tags":["particle"]}
+{"entry_id":"en-003","surface":"not","lemma":"not","language":"en","pos":"PART","semantic_domains":["negation","logic"],"morphology_tags":["adverbial"]}
+{"entry_id":"en-004","surface":"if","lemma":"if","language":"en","pos":"SCONJ","semantic_domains":["condition","logic"],"morphology_tags":["conjunction"]}
+{"entry_id":"en-005","surface":"then","lemma":"then","language":"en","pos":"ADV","semantic_domains":["sequence","logic"],"morphology_tags":["adverbial"]}
+{"entry_id":"en-006","surface":"because","lemma":"because","language":"en","pos":"SCONJ","semantic_domains":["causality","logic"],"morphology_tags":["conjunction"]}
+{"entry_id":"en-007","surface":"can","lemma":"can","language":"en","pos":"AUX","semantic_domains":["ability","modality"],"morphology_tags":["auxiliary"]}
+{"entry_id":"en-008","surface":"cannot","lemma":"cannot","language":"en","pos":"AUX","semantic_domains":["negation","modality"],"morphology_tags":["auxiliary","negative"]}
+{"entry_id":"en-009","surface":"I","lemma":"I","language":"en","pos":"PRON","semantic_domains":["self","agent"],"morphology_tags":["pronoun","first_person"]}
+{"entry_id":"en-010","surface":"you","lemma":"you","language":"en","pos":"PRON","semantic_domains":["other","agent"],"morphology_tags":["pronoun","second_person"]}
+{"entry_id":"en-011","surface":"it","lemma":"it","language":"en","pos":"PRON","semantic_domains":["object","reference"],"morphology_tags":["pronoun","third_person"]}
+{"entry_id":"en-012","surface":"we","lemma":"we","language":"en","pos":"PRON","semantic_domains":["group","agent"],"morphology_tags":["pronoun","first_person_plural"]}
+{"entry_id":"en-013","surface":"they","lemma":"they","language":"en","pos":"PRON","semantic_domains":["group","other"],"morphology_tags":["pronoun","third_person_plural"]}
+{"entry_id":"en-014","surface":"am","lemma":"be","language":"en","pos":"AUX","semantic_domains":["being","identity"],"morphology_tags":["present","first_person"]}
+{"entry_id":"en-015","surface":"is","lemma":"be","language":"en","pos":"AUX","semantic_domains":["being","identity"],"morphology_tags":["present","third_person_singular"]}
+{"entry_id":"en-016","surface":"are","lemma":"be","language":"en","pos":"AUX","semantic_domains":["being","identity"],"morphology_tags":["present","plural"]}
+{"entry_id":"en-017","surface":"know","lemma":"know","language":"en","pos":"VERB","semantic_domains":["knowledge","cognition"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-018","surface":"think","lemma":"think","language":"en","pos":"VERB","semantic_domains":["cognition","reason"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-019","surface":"mean","lemma":"mean","language":"en","pos":"VERB","semantic_domains":["semantics","reason"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-020","surface":"say","lemma":"say","language":"en","pos":"VERB","semantic_domains":["speech","communication"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-021","surface":"ask","lemma":"ask","language":"en","pos":"VERB","semantic_domains":["question","communication"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-022","surface":"answer","lemma":"answer","language":"en","pos":"NOUN","semantic_domains":["response","communication"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-023","surface":"question","lemma":"question","language":"en","pos":"NOUN","semantic_domains":["question","reason"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-024","surface":"word","lemma":"word","language":"en","pos":"NOUN","semantic_domains":["logos","language"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-025","surface":"truth","lemma":"truth","language":"en","pos":"NOUN","semantic_domains":["logos","epistemic"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-026","surface":"light","lemma":"light","language":"en","pos":"NOUN","semantic_domains":["logos","illumination"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-027","surface":"life","lemma":"life","language":"en","pos":"NOUN","semantic_domains":["logos","vitality"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-028","surface":"beginning","lemma":"beginning","language":"en","pos":"NOUN","semantic_domains":["logos","origin"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-029","surface":"create","lemma":"create","language":"en","pos":"VERB","semantic_domains":["logos","formation"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-030","surface":"spirit","lemma":"spirit","language":"en","pos":"NOUN","semantic_domains":["logos","breath"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-031","surface":"order","lemma":"order","language":"en","pos":"NOUN","semantic_domains":["logos","structure"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-032","surface":"reason","lemma":"reason","language":"en","pos":"NOUN","semantic_domains":["logos","cognition"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-033","surface":"name","lemma":"name","language":"en","pos":"NOUN","semantic_domains":["identity","language"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-034","surface":"time","lemma":"time","language":"en","pos":"NOUN","semantic_domains":["temporal","sequence"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-035","surface":"place","lemma":"place","language":"en","pos":"NOUN","semantic_domains":["spatial","location"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-036","surface":"thing","lemma":"thing","language":"en","pos":"NOUN","semantic_domains":["object","reference"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-037","surface":"begin","lemma":"begin","language":"en","pos":"VERB","semantic_domains":["origin","sequence"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-038","surface":"end","lemma":"end","language":"en","pos":"NOUN","semantic_domains":["boundary","sequence"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-039","surface":"good","lemma":"good","language":"en","pos":"ADJ","semantic_domains":["value","evaluation"],"morphology_tags":["adjective","positive"]}
+{"entry_id":"en-040","surface":"evil","lemma":"evil","language":"en","pos":"ADJ","semantic_domains":["value","evaluation"],"morphology_tags":["adjective","negative"]}
+{"entry_id":"en-041","surface":"love","lemma":"love","language":"en","pos":"NOUN","semantic_domains":["affect","relation"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-042","surface":"peace","lemma":"peace","language":"en","pos":"NOUN","semantic_domains":["affect","order"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-043","surface":"power","lemma":"power","language":"en","pos":"NOUN","semantic_domains":["ability","agency"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-044","surface":"will","lemma":"will","language":"en","pos":"NOUN","semantic_domains":["agency","modality"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-045","surface":"hear","lemma":"hear","language":"en","pos":"VERB","semantic_domains":["perception","audio"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-046","surface":"see","lemma":"see","language":"en","pos":"VERB","semantic_domains":["perception","vision"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-047","surface":"speak","lemma":"speak","language":"en","pos":"VERB","semantic_domains":["speech","communication"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-048","surface":"listen","lemma":"listen","language":"en","pos":"VERB","semantic_domains":["attention","audio"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-049","surface":"walk","lemma":"walk","language":"en","pos":"VERB","semantic_domains":["motion","body"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-050","surface":"path","lemma":"path","language":"en","pos":"NOUN","semantic_domains":["motion","sequence"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-051","surface":"field","lemma":"field","language":"en","pos":"NOUN","semantic_domains":["geometry","state"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-052","surface":"form","lemma":"form","language":"en","pos":"NOUN","semantic_domains":["geometry","structure"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-053","surface":"memory","lemma":"memory","language":"en","pos":"NOUN","semantic_domains":["storage","cognition"],"morphology_tags":["noun","singular"]}
+{"entry_id":"en-054","surface":"recall","lemma":"recall","language":"en","pos":"VERB","semantic_domains":["memory","cognition"],"morphology_tags":["verb","present"]}
+{"entry_id":"en-055","surface":"with","lemma":"with","language":"en","pos":"ADP","semantic_domains":["relation","association"],"morphology_tags":["preposition"]}
+{"entry_id":"en-056","surface":"in","lemma":"in","language":"en","pos":"ADP","semantic_domains":["relation","location"],"morphology_tags":["preposition"]}
+{"entry_id":"en-057","surface":"from","lemma":"from","language":"en","pos":"ADP","semantic_domains":["relation","origin"],"morphology_tags":["preposition"]}
+{"entry_id":"en-058","surface":"to","lemma":"to","language":"en","pos":"PART","semantic_domains":["relation","direction"],"morphology_tags":["particle"]}
+{"entry_id":"en-059","surface":"what","lemma":"what","language":"en","pos":"PRON","semantic_domains":["question","reference"],"morphology_tags":["pronoun","interrogative"]}
+{"entry_id":"en-060","surface":"who","lemma":"who","language":"en","pos":"PRON","semantic_domains":["question","agent"],"morphology_tags":["pronoun","interrogative"]}
diff --git a/language_packs/data/en_minimal_v1/manifest.json b/language_packs/data/en_minimal_v1/manifest.json
new file mode 100644
index 00000000..8f84f5f0
--- /dev/null
+++ b/language_packs/data/en_minimal_v1/manifest.json
@@ -0,0 +1,13 @@
+{
+  "pack_id": "en_minimal_v1",
+  "language": "en",
+  "role": "operational_base",
+  "script": "Latin",
+  "normalization_policy": "unitize_versor",
+  "source_manifest": "en_minimal_v1.lexicon.jsonl",
+  "determinism_class": "D0",
+  "checksum": "3b2804670b37fe51e2c93209a048df0f1fb1a426ea0ed3580a6fd08021b2bc70",
+  "version": "1.0.0",
+  "gate_engaged": true,
+  "oov_policy": "tagged_fallback"
+}
diff --git a/language_packs/data/grc_logos_micro_v1/lexicon.jsonl b/language_packs/data/grc_logos_micro_v1/lexicon.jsonl
new file mode 100644
index 00000000..e31ebcd9
--- /dev/null
+++ b/language_packs/data/grc_logos_micro_v1/lexicon.jsonl
@@ -0,0 +1,7 @@
+{"entry_id":"grc-001","surface":"λόγος","lemma":"λόγος","language":"grc","pos":"NOUN","semantic_domains":["logos","word"],"morphology_tags":["noun","nominative","singular"]}
+{"entry_id":"grc-002","surface":"ἀρχή","lemma":"ἀρχή","language":"grc","pos":"NOUN","semantic_domains":["logos","beginning"],"morphology_tags":["noun","nominative","singular"]}
+{"entry_id":"grc-003","surface":"φῶς","lemma":"φῶς","language":"grc","pos":"NOUN","semantic_domains":["logos","light"],"morphology_tags":["noun","nominative","singular"]}
+{"entry_id":"grc-004","surface":"ζωή","lemma":"ζωή","language":"grc","pos":"NOUN","semantic_domains":["logos","life"],"morphology_tags":["noun","nominative","singular"]}
+{"entry_id":"grc-005","surface":"ἀλήθεια","lemma":"ἀλήθεια","language":"grc","pos":"NOUN","semantic_domains":["logos","truth"],"morphology_tags":["noun","nominative","singular"]}
+{"entry_id":"grc-006","surface":"πνεῦμα","lemma":"πνεῦμα","language":"grc","pos":"NOUN","semantic_domains":["logos","spirit"],"morphology_tags":["noun","nominative","singular"]}
+{"entry_id":"grc-007","surface":"κτίζω","lemma":"κτίζω","language":"grc","pos":"VERB","semantic_domains":["logos","create"],"morphology_tags":["verb","present","active"]}
diff --git a/language_packs/data/grc_logos_micro_v1/manifest.json b/language_packs/data/grc_logos_micro_v1/manifest.json
new file mode 100644
index 00000000..a96a5533
--- /dev/null
+++ b/language_packs/data/grc_logos_micro_v1/manifest.json
@@ -0,0 +1,13 @@
+{
+  "pack_id": "grc_logos_micro_v1",
+  "language": "grc",
+  "role": "depth_relation",
+  "script": "Greek",
+  "normalization_policy": "unitize_versor",
+  "source_manifest": "grc_logos_micro_v1.lexicon.jsonl",
+  "determinism_class": "D0",
+  "checksum": "cf8930df2a4faf1b8d87916fb707d44fa3034685a7f14b56fcde1bef794547c8",
+  "version": "1.0.0",
+  "gate_engaged": false,
+  "oov_policy": "fail_closed"
+}
diff --git a/language_packs/data/he_logos_micro_v1/lexicon.jsonl b/language_packs/data/he_logos_micro_v1/lexicon.jsonl
new file mode 100644
index 00000000..4a5e7a71
--- /dev/null
+++ b/language_packs/data/he_logos_micro_v1/lexicon.jsonl
@@ -0,0 +1,7 @@
+{"entry_id":"he-001","surface":"דבר","lemma":"דבר","language":"he","pos":"NOUN","semantic_domains":["logos","word"],"morphology_tags":["root:DBR","noun"]}
+{"entry_id":"he-002","surface":"ראשית","lemma":"ראשית","language":"he","pos":"NOUN","semantic_domains":["logos","beginning"],"morphology_tags":["root:RASH","noun"]}
+{"entry_id":"he-003","surface":"אור","lemma":"אור","language":"he","pos":"NOUN","semantic_domains":["logos","light"],"morphology_tags":["root:AWR","noun"]}
+{"entry_id":"he-004","surface":"חיים","lemma":"חיים","language":"he","pos":"NOUN","semantic_domains":["logos","life"],"morphology_tags":["root:CHYY","noun"]}
+{"entry_id":"he-005","surface":"אמת","lemma":"אמת","language":"he","pos":"NOUN","semantic_domains":["logos","truth"],"morphology_tags":["root:AMT","noun"]}
+{"entry_id":"he-006","surface":"רוח","lemma":"רוח","language":"he","pos":"NOUN","semantic_domains":["logos","spirit"],"morphology_tags":["root:RWH","noun"]}
+{"entry_id":"he-007","surface":"ברא","lemma":"ברא","language":"he","pos":"VERB","semantic_domains":["logos","create"],"morphology_tags":["root:BRA","verb","qal"]}
diff --git a/language_packs/data/he_logos_micro_v1/manifest.json b/language_packs/data/he_logos_micro_v1/manifest.json
new file mode 100644
index 00000000..c7d4874d
--- /dev/null
+++ b/language_packs/data/he_logos_micro_v1/manifest.json
@@ -0,0 +1,13 @@
+{
+  "pack_id": "he_logos_micro_v1",
+  "language": "he",
+  "role": "depth_root",
+  "script": "Hebrew",
+  "normalization_policy": "unitize_versor",
+  "source_manifest": "he_logos_micro_v1.lexicon.jsonl",
+  "determinism_class": "D0",
+  "checksum": "ef21e0cf2b15663603e64f94bdd42634acfde969280e556e915c1fbacc055921",
+  "version": "1.0.0",
+  "gate_engaged": false,
+  "oov_policy": "fail_closed"
+}
diff --git a/language_packs/schema.py b/language_packs/schema.py
index 8631273c..4075b7d9 100644
--- a/language_packs/schema.py
+++ b/language_packs/schema.py
@@ -94,7 +94,9 @@ class LexicalEntry:
     lemma: str
     language: str
     part_of_speech: str | None = None
+    pos: str | None = None
     morphology_id: str | None = None
+    morphology_tags: tuple[str, ...] = field(default_factory=tuple)
     semantic_domains: tuple[str, ...] = field(default_factory=tuple)
     manifold_point_checksum: str | None = None
     provenance_ids: tuple[str, ...] = field(default_factory=tuple)
diff --git a/probe/repl.py b/probe/repl.py
new file mode 100644
index 00000000..d8d143f1
--- /dev/null
+++ b/probe/repl.py
@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+from language_packs import load_pack
+
+
+def field_walk(seed: str, steps: int = 4) -> list[str]:
+    _, vocab = load_pack("en_minimal_v1")
+    F = vocab.get_versor(seed)
+    walk = [seed]
+    idx = -1
+    for _ in range(steps - 1):
+        word, idx = vocab.nearest(F, exclude_idx=idx)
+        walk.append(word)
+        F = vocab.get_versor(word)
+    return walk
+
+
+def main() -> None:
+    while True:
+        text = input("> ").strip()
+        if text in {"quit", "exit"}:
+            break
+        try:
+            chain = field_walk(text)
+            print(f"[field walk: {' → '.join(chain)}]")
+        except KeyError:
+            print("[unknown token]")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/pyproject.toml b/pyproject.toml
index 80501b6e..0b22f0db 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,6 +7,8 @@ requires-python = ">=3.11"
 dependencies = [
     "numpy>=1.26",
     "mlx>=0.18; sys_platform == 'darwin'",
+    "pytest>=9.0.3",
+    "pytest-asyncio>=1.3.0",
 ]
 
 [project.optional-dependencies]
diff --git a/tests/test_holonomy_resonance.py b/tests/test_holonomy_resonance.py
new file mode 100644
index 00000000..542d10f5
--- /dev/null
+++ b/tests/test_holonomy_resonance.py
@@ -0,0 +1,60 @@
+from __future__ import annotations
+
+import numpy as np
+
+from algebra.cga import cga_inner
+from algebra.holonomy import holonomy_encode, holonomy_similarity
+from language_packs import load_pack
+
+
+def _encode(manifold, tokens: list[str]) -> np.ndarray:
+    return holonomy_encode([manifold.get_versor(t) for t in tokens])
+
+
+def test_aligned_clauses_have_higher_similarity_than_unrelated():
+    _, en = load_pack("en_minimal_v1")
+    _, he = load_pack("he_logos_micro_v1")
+    _, grc = load_pack("grc_logos_micro_v1")
+
+    en_clause = _encode(en, ["word", "beginning", "with", "truth"])
+    he_clause = _encode(he, ["דבר", "ראשית", "אמת"])
+    grc_clause = _encode(grc, ["λόγος", "ἀρχή", "ἀλήθεια"])
+    grc_unrelated = _encode(grc, ["ζωή", "πνεῦμα", "κτίζω"])
+
+    aligned = (holonomy_similarity(en_clause, he_clause) + holonomy_similarity(en_clause, grc_clause)) / 2.0
+    unrelated = holonomy_similarity(en_clause, grc_unrelated)
+    assert aligned > unrelated
+
+
+def test_triple_alignment_closer_than_other_triples():
+    _, en = load_pack("en_minimal_v1")
+    _, he = load_pack("he_logos_micro_v1")
+    _, grc = load_pack("grc_logos_micro_v1")
+
+    word_trip = [
+        en.get_versor("word"),
+        he.get_versor("דבר"),
+        grc.get_versor("λόγος"),
+    ]
+    aligned_score = np.mean(
+        [
+            cga_inner(en.get_versor("word"), he.get_versor("דבר")),
+            cga_inner(en.get_versor("word"), grc.get_versor("λόγος")),
+            cga_inner(he.get_versor("דבר"), grc.get_versor("λόγος")),
+        ]
+    )
+    misaligned_score = np.mean(
+        [
+            cga_inner(en.get_versor("word"), he.get_versor("ראשית")),
+            cga_inner(en.get_versor("word"), grc.get_versor("πνεῦμα")),
+            cga_inner(he.get_versor("דבר"), grc.get_versor("ἀρχή")),
+        ]
+    )
+    assert aligned_score > misaligned_score
+
+
+def test_word_order_permutation_changes_holonomy():
+    _, en = load_pack("en_minimal_v1")
+    a = _encode(en, ["word", "truth", "light", "life"])
+    b = _encode(en, ["life", "word", "truth", "light"])
+    assert abs(holonomy_similarity(a, b) - holonomy_similarity(a, a)) > 1e-4
diff --git a/tests/test_language_pack_runtime.py b/tests/test_language_pack_runtime.py
new file mode 100644
index 00000000..a620638b
--- /dev/null
+++ b/tests/test_language_pack_runtime.py
@@ -0,0 +1,26 @@
+from __future__ import annotations
+
+from chat.runtime import ChatRuntime
+from language_packs import load_pack
+
+
+def test_load_pack_and_vocab_size():
+    manifest, manifold = load_pack("en_minimal_v1")
+    assert manifest.pack_id == "en_minimal_v1"
+    assert len(manifold) == 60
+
+
+def test_light_neighborhood_not_negation():
+    _, manifold = load_pack("en_minimal_v1")
+    light = manifold.get_versor("light")
+    word, _ = manifold.nearest(light, exclude_idx=25)
+    assert word not in {"no", "cannot"}
+
+
+def test_chat_runtime_responds_and_varies():
+    runtime = ChatRuntime("en_minimal_v1")
+    a = runtime.respond("what is truth", max_tokens=8)
+    b = runtime.respond("what is light", max_tokens=8)
+    assert a.strip()
+    assert b.strip()
+    assert a != b