{"messages":[{"content":"You are a constitutional council ranking individual git commits for ownership allocation.\n\nCompare these two commits. Decide which contributed more lasting value to the project.\n\nJudge substance, not spectacle:\n- Prefer correct, lasting design and real bugfixes over churn, formatting, renames, or generated noise.\n- Prefer clarity and necessity over sheer line count. A small precise change can beat a large diffuse one.\n- Do not favor a side merely because its patch is longer or noisier.\n- Weight what the change does for the project, not the contributor's name.\n\nReturn ONLY a JSON object: {\"winner\": \"A\" or \"B\", \"ratio\": \"N:M\", \"explanation\": \"...\"}\nThe explanation must cite concrete differences in the patches (1-3 sentences).\n\nSide A — contributor: tommy-mor\nSide A — commit message:\n[bda5f8aa] Remove legacy evidence projection; Evidence envelopes only.\n\nEpoch and commit pages no longer invent history from bare GitDiscovery rows. Production ledger will be wiped to re-emit under the current schema.\n\nCo-authored-by: Cursor <cursoragent@cursor.com>\n\nSide A — unified diff (full patch):\ndiff --git a/constitution.py b/constitution.py\nindex 4dd5b9dfbba231d46289c490f91b1dd5b1018bcf..26ba130e885e0e69fb7874ca5c3f07f42100a150 100644\n--- a/constitution.py\n+++ b/constitution.py\n@@ -210,10 +210,10 @@ class Emission:\n     distributions: dict   # author -> amount str\n     ranking: dict         # author -> score str\n     models_used: list\n-    discovery_snapshot_id: str = \"\"  # empty only for pre-discovery ledger history\n-    evidence_schema_version: int = 1\n-    ranking_run_id: str = \"\"\n-    ranking_event_id: str = \"\"\n+    discovery_snapshot_id: str\n+    evidence_schema_version: int\n+    ranking_run_id: str\n+    ranking_event_id: str\n \n \n @event\n@@ -502,26 +502,6 @@ def _epochs_in_ledger() -> list[int]:\n     return sorted(epochs)\n \n \n-def _legacy_commit_row(commit_id: str) -> tuple[GitDiscovery | None, dict | None]:\n-    for discovery in store.read():\n-        if not isinstance(discovery, GitDiscovery):\n-            continue\n-        for commit in discovery.commits:\n-            if commit_id_for_oid(commit[\"oid\"]) == commit_id:\n-                return discovery, commit\n-    return None, None\n-\n-\n-def _legacy_observation(commit_id: str) -> tuple[GitDiscovery | None, dict | None]:\n-    for discovery in store.read():\n-        if not isinstance(discovery, GitDiscovery):\n-            continue\n-        for obs in discovery.observations:\n-            if commit_id_for_oid(obs[\"oid\"]) == commit_id:\n-                return discovery, obs\n-    return None, None\n-\n-\n def build_pairwise_prompt(side_a: dict, side_b: dict) -> str:\n     return f\"\"\"You are ranking contributions to an open source project.\n Compare these two sides (each may be one or more commits). Decide which side contributed more.\n@@ -2040,7 +2020,7 @@ def _strip_heavy_fields(obj: dict) -> dict:\n \n @app.get(\"/api/ledger\")\n async def get_ledger(offset: int = 0, limit: int = 100, full: int = 0):\n-    \"\"\"List of ledger dicts (backward-compatible). Heavy blobs stripped unless full=1.\"\"\"\n+    \"\"\"List of ledger dicts. Heavy blobs stripped unless full=1.\"\"\"\n     limit = max(1, min(limit, 500))\n     rows = []\n     for e in store.read()[offset:offset + limit]:\n@@ -2274,23 +2254,25 @@ async def epochs_index():\n     epochs = _epochs_in_ledger()\n     rows = []\n     for epoch in epochs:\n-        discovery = _discovery_for_epoch(epoch)\n         emission = _emission_for_epoch(epoch)\n-        evidence_n = sum(\n-            1 for e in evidence_by_kind() if e.epoch == epoch\n+        evidence_n = sum(1 for e in evidence_by_kind() if e.epoch == epoch)\n+        disc = next(\n+            (\n+                e for e in evidence_by_kind(\"git.discovery_completed\")\n+                if e.epoch == epoch\n+            ),\n+            None,\n         )\n         detail = []\n-        if discovery:\n+        if disc:\n             detail.append(\n-                f\"{len(discovery.commits)} eligible / \"\n-                f\"{len(discovery.observations)} observed\"\n+                f\"{disc.payload.get('eligible_count', 0)} eligible / \"\n+                f\"{disc.payload.get('observation_count', 0)} observed\"\n             )\n         if emission:\n             detail.append(f\"emitted {emission.total_emitted}\")\n         if evidence_n:\n             detail.append(f\"{evidence_n} evidence events\")\n-        elif discovery or emission:\n-            detail.append(\"legacy (no Evidence envelopes)\")\n         rows.append([\"li\",\n             _a(_evidence_path(\"epoch\", str(epoch)), f\"epoch {epoch}\"),\n             \" — \",\n@@ -2307,37 +2289,37 @@ async def epochs_index():\n \n @app.get(\"/epochs/{epoch}\")\n async def epoch_detail(epoch: int):\n-    discovery = _discovery_for_epoch(epoch)\n     emission = _emission_for_epoch(epoch)\n     evidence_rows = [e for e in evidence_by_kind() if e.epoch == epoch]\n+    if not evidence_rows and emission is None:\n+        return _evidence_page(f\"epoch {epoch}\", [\n+            _evidence_nav(),\n+            [\"h1\", f\"epoch {epoch}\"],\n+            [\"p.note\", \"No evidence for this epoch.\"],\n+        ])\n+\n     commit_evs = [e for e in evidence_rows if e.kind == \"git.commit\"]\n     comparison_evs = [e for e in evidence_rows if e.kind == \"comparison.input\"]\n     judgment_evs = [e for e in evidence_rows if e.kind == \"llm.judgment\"]\n+    discovery_ev = next(\n+        (e for e in evidence_rows if e.kind == \"git.discovery_completed\"), None\n+    )\n     ranking_started = next(\n         (e for e in evidence_rows if e.kind == \"ranking.started\"), None\n     )\n     ranking_completed = next(\n         (e for e in evidence_rows if e.kind == \"ranking.completed\"), None\n     )\n-    legacy = not evidence_rows and (discovery is not None or emission is not None)\n-\n-    commit_links: list[tuple[str, str]] = []\n-    if commit_evs:\n-        for e in commit_evs:\n-            cid = e.payload.get(\"commit_id\") or \"\"\n-            label = (\n-                f\"{e.payload.get('oid', cid)[:24]} \"\n-                f\"({e.payload.get('contributor', '?')})\"\n-            )\n-            commit_links.append((label, _evidence_path(\"commit\", cid)))\n-    elif discovery:\n-        for c in discovery.commits:\n-            cid = commit_id_for_oid(c[\"oid\"])\n-            commit_links.append((\n-                f\"{c['oid'][:24]} ({c.get('contributor', '?')})\",\n-                _evidence_path(\"commit\", cid),\n-            ))\n \n+    commit_links = [\n+        (\n+            f\"{e.payload.get('oid', e.payload.get('commit_id', ''))[:24]} \"\n+            f\"({e.payload.get('contributor', '?')})\",\n+            _evidence_path(\"commit\", e.payload[\"commit_id\"]),\n+        )\n+        for e in commit_evs\n+        if e.payload.get(\"commit_id\")\n+    ]\n     comparison_links = [\n         (\n             e.payload.get(\"summary\") or e.payload.get(\"comparison_id\", e.event_id),\n@@ -2360,16 +2342,13 @@ async def epoch_detail(epoch: int):\n     ]\n \n     excluded = []\n-    if discovery:\n-        for obs in discovery.observations:\n+    if discovery_ev:\n+        for obs in discovery_ev.payload.get(\"observations\") or []:\n             if obs.get(\"eligible\"):\n                 continue\n             oid = obs.get(\"oid\", \"?\")\n             reason = obs.get(\"exclusion_reason\") or \"excluded\"\n-            excluded.append([\"li\",\n-                f\"{oid[:28]} — {reason} — \",\n-                [\"span.note\", \"legacy evidence unavailable\"],\n-            ])\n+            excluded.append([\"li\", f\"{oid[:28]} — {reason}\"])\n \n     ranking_nodes: list = []\n     if ranking_completed:\n@@ -2388,21 +2367,10 @@ async def epoch_detail(epoch: int):\n                 indent=2, sort_keys=True,\n             )],\n         ]\n-    elif emission:\n-        if legacy and len(emission.ranking or {}) <= 1:\n-            ranking_nodes.append([\"p.note\",\n-                \"Single-contributor epoch — no LLM judgments.\"\n-            ])\n-        ranking_nodes.extend([\n-            [\"p\", \"Projected from Emission (no ranking Evidence event).\"],\n-            [\"pre.blob\", json.dumps(emission.ranking, indent=2, sort_keys=True)],\n-        ])\n+    elif ranking_started:\n+        ranking_nodes = [[\"p.note\", f\"Ranking started: {ranking_started.event_id}\"]]\n     else:\n-        ranking_nodes = [[\"p.note\", \"No ranking recorded.\"]]\n-    if ranking_started and not ranking_completed:\n-        ranking_nodes.insert(0, [\"p.note\",\n-            f\"Ranking started: {ranking_started.event_id}\"\n-        ])\n+        ranking_nodes = [[\"p.note\", \"No ranking evidence.\"]]\n \n     if emission:\n         emission_node = _dl_rows([\n@@ -2411,44 +2379,41 @@ async def epoch_detail(epoch: int):\n             (\"pool_after\", emission.pool_after),\n             (\"discovery_snapshot_id\", emission.discovery_snapshot_id),\n             (\"ranking_run_id\", emission.ranking_run_id or None),\n+            (\"ranking_event_id\", emission.ranking_event_id or None),\n             (\"models_used\", \", \".join(emission.models_used or [])),\n             (\"distributions\", json.dumps(emission.distributions, sort_keys=True)),\n         ])\n     else:\n         emission_node = [\"p.note\", \"No emission for this epoch.\"]\n \n-    single_contributor = False\n-    if discovery:\n-        single_contributor = len({c.get(\"contributor\") for c in discovery.commits}) <= 1\n-    elif emission:\n-        single_contributor = len(emission.ranking or {}) <= 1\n+    contributors = {\n+        e.payload.get(\"contributor\")\n+        for e in commit_evs\n+        if e.payload.get(\"contributor\")\n+    }\n+    no_comparisons_note = \"No comparisons.\"\n+    if len(contributors) <= 1:\n+        no_comparisons_note += \" Single-contributor — no LLM judgments.\"\n \n     body = [\n         _evidence_nav(),\n         [\"div.eyebrow\", f\"epoch {epoch}\"],\n         [\"h1\", f\"epoch {epoch}\"],\n     ]\n-    if legacy:\n-        body.append([\"p.note\",\n-            \"Legacy epoch: projected from GitDiscovery/Emission without Evidence \"\n-            \"envelopes. Eligible commits use discovery patches; discarded observation \"\n-            \"metadata is marked legacy evidence unavailable. Single-contributor \"\n-            \"epochs have no LLM judgments.\"\n-        ])\n-    if discovery:\n+    if discovery_ev:\n         body.extend([\n             [\"h2\", \"discovery\"],\n             _dl_rows([\n-                (\"snapshot_id\", discovery.snapshot_id),\n-                (\"config_digest\", discovery.config_digest),\n-                (\"initial_snapshot\", discovery.initial_snapshot),\n-                (\"observations\", len(discovery.observations)),\n-                (\"eligible\", len(discovery.commits)),\n+                (\"snapshot_id\", discovery_ev.payload.get(\"snapshot_id\")),\n+                (\"config_digest\", discovery_ev.payload.get(\"config_digest\")),\n+                (\"observations\", discovery_ev.payload.get(\"observation_count\")),\n+                (\"eligible\", discovery_ev.payload.get(\"eligible_count\")),\n+                (\"event\", _a(\n+                    _evidence_path(\"event\", discovery_ev.event_id),\n+                    discovery_ev.event_id,\n+                )),\n             ]),\n         ])\n-    no_comparisons_note = \"No comparisons.\"\n-    if single_contributor:\n-        no_comparisons_note += \" Single-contributor — no LLM judgments.\"\n     body.extend([\n         [\"h2\", \"commits\"],\n         _link_list(commit_links),\n@@ -2471,92 +2436,42 @@ async def epoch_detail(epoch: int):\n @app.get(\"/commits/{commit_id}\")\n async def commit_detail(commit_id: str):\n     ev = find_evidence_payload(\"git.commit\", \"commit_id\", commit_id)\n-    discovery, legacy_row = (None, None)\n     if not ev:\n-        discovery, legacy_row = _legacy_commit_row(commit_id)\n-    if not ev and not legacy_row:\n-        discovery, obs = _legacy_observation(commit_id)\n-        if obs is not None:\n-            epoch = discovery.epoch if discovery else \"?\"\n-            return _evidence_page(f\"commit {commit_id[:24]}\", [\n-                _evidence_nav(\n-                    _a(_evidence_path(\"epoch\", str(epoch)), f\"epoch {epoch}\")\n-                ),\n-                [\"div.eyebrow\", \"commit\"],\n-                [\"h1\", commit_id],\n-                [\"p.note\", \"legacy evidence unavailable\"],\n-                _dl_rows([\n-                    (\"oid\", obs.get(\"oid\")),\n-                    (\"eligible\", obs.get(\"eligible\")),\n-                    (\"exclusion_reason\", obs.get(\"exclusion_reason\")),\n-                    (\"epoch\", str(epoch)),\n-                ]),\n-            ])\n         return _evidence_page(\"commit not found\", [\n             _evidence_nav(),\n             [\"h1\", \"commit not found\"],\n             [\"p\", commit_id],\n         ])\n-    if ev:\n-        p = ev.payload\n-        epoch = ev.epoch\n-        oid = p.get(\"oid\", \"\")\n-        contributor = p.get(\"contributor\", \"\")\n-        message = _blob_text(p.get(\"message\"))\n-        patch = _blob_text(p.get(\"patch\"))\n-        meta = _dl_rows([\n+    p = ev.payload\n+    epoch = ev.epoch\n+    return _evidence_page(f\"commit {commit_id[:24]}\", [\n+        _evidence_nav(_a(_evidence_path(\"epoch\", str(epoch)), f\"epoch {epoch}\")),\n+        [\"div.eyebrow\", \"commit\"],\n+        [\"h1\", commit_id],\n+        _dl_rows([\n             (\"commit_id\", commit_id),\n-            (\"oid\", oid),\n-            (\"contributor\", contributor),\n+            (\"oid\", p.get(\"oid\", \"\")),\n+            (\"contributor\", p.get(\"contributor\", \"\")),\n             (\"patch_sha256\", p.get(\"patch_sha256\")),\n             (\"patch_identity\", p.get(\"patch_identity\")),\n             (\"committer_timestamp_ms\", p.get(\"committer_timestamp_ms\")),\n             (\"evidence_event\", _a(_evidence_path(\"event\", ev.event_id), ev.event_id)),\n             (\"epoch\", _a(_evidence_path(\"epoch\", str(epoch)), str(epoch))),\n-        ])\n-        legacy_note = None\n-    else:\n-        assert legacy_row is not None and discovery is not None\n-        epoch = discovery.epoch\n-        oid = legacy_row.get(\"oid\", \"\")\n-        contributor = legacy_row.get(\"contributor\", \"\")\n-        message = legacy_row.get(\"message\") or \"\"\n-        patch = legacy_row.get(\"patch\") or \"\"\n-        meta = _dl_rows([\n-            (\"commit_id\", commit_id),\n-            (\"oid\", oid),\n-            (\"contributor\", contributor),\n-            (\"patch_sha256\", legacy_row.get(\"patch_sha256\")),\n-            (\"patch_identity\", legacy_row.get(\"patch_identity\")),\n-            (\"committer_timestamp_ms\", legacy_row.get(\"committer_timestamp_ms\")),\n-            (\"epoch\", _a(_evidence_path(\"epoch\", str(epoch)), str(epoch))),\n-            (\"source\", \"legacy GitDiscovery projection\"),\n-        ])\n-        legacy_note = [\"p.note\", \"Projected from GitDiscovery — Evidence envelope absent.\"]\n-    return _evidence_page(f\"commit {commit_id[:24]}\", [\n-        _evidence_nav(_a(_evidence_path(\"epoch\", str(epoch)), f\"epoch {epoch}\")),\n-        [\"div.eyebrow\", \"commit\"],\n-        [\"h1\", commit_id],\n-        *([legacy_note] if legacy_note else []),\n-        meta,\n+        ]),\n         [\"p\", _a(f\"/commits/{commit_id}/patch\", \"download patch\")],\n         [\"h2\", \"message\"],\n-        _pre_blob(message),\n+        _pre_blob(_blob_text(p.get(\"message\"))),\n         [\"h2\", \"patch\"],\n-        _pre_blob(patch),\n+        _pre_blob(_blob_text(p.get(\"patch\"))),\n     ])\n \n \n @app.get(\"/commits/{commit_id}/patch\")\n async def commit_patch_download(commit_id: str):\n     ev = find_evidence_payload(\"git.commit\", \"commit_id\", commit_id)\n-    if ev:\n-        raw = _decode_blob(ev.payload.get(\"patch\")) or _blob_text(ev.payload.get(\"patch\")).encode()\n-    else:\n-        _, row = _legacy_commit_row(commit_id)\n-        if not row:\n-            return PlainTextResponse(\"not found\", status_code=404)\n-        raw = (row.get(\"patch\") or \"\").encode(\"utf-8\")\n+    if not ev:\n+        return PlainTextResponse(\"not found\", status_code=404)\n+    raw = _decode_blob(ev.payload.get(\"patch\")) or _blob_text(ev.payload.get(\"patch\")).encode()\n     return Response(\n         content=raw,\n         media_type=\"text/plain; charset=utf-8\",\n@@ -3226,7 +3141,9 @@ async def watch():\n                 [\"div.controls\",\n                     [\"button#play\", {\"type\": \"button\", \"disabled\": \"true\"}, \"▶ Play live feed\"],\n                     [\"button#pause\", {\"type\": \"button\"}, \"Ⅱ Pause feed\"],\n-                    [\"span.note\", \"Pause stops local updates; the constitutional process continues.\"],\n+                    [\"span.note\",\n+                     \"Play/pause only affect this browser feed — they do not run or stop emission. \"\n+                     \"The server emits at each epoch boundary; status above is that process.\"],\n                 ],\n             ],\n             [\"section.panel\",\ndiff --git a/tests/integration.clj b/tests/integration.clj\nindex 204b0fedfbad57846205cb140c4ed9406b5f8e0e..11140e95a8cd86768a661a30e6b29a3ddfc95fcc 100644\n--- a/tests/integration.clj\n+++ b/tests/integration.clj\n@@ -247,7 +247,10 @@\n                :decay_rate   \"0.003253356063468\"\n                :distributions {\"alice\" \"381.4282558872\" \"bob\" \"190.7141279436\"}\n                :ranking       {\"alice\" \"0.6666\" \"bob\" \"0.3334\"}\n-               :models_used   [\"mock/chat-v1\" \"mock/chat-v2\"]}]\n+               :models_used   [\"mock/chat-v1\" \"mock/chat-v2\"]\n+               :evidence_schema_version 2\n+               :ranking_run_id \"seed-rank\"\n+               :ranking_event_id \"seed-rank-ev\"}]\n     (spit path (str (json/generate-string entry) \"\\n\"))))\n \n ;; ---------------------------------------------------------------------------\ndiff --git a/tests/test_evidence.py b/tests/test_evidence.py\nindex 76adcd343eec3a65dec58fda93b068356fb1adcd..7cb74fd7fb1bcd0ab17d2cbe2e6ca7e61e164221 100644\n--- a/tests/test_evidence.py\n+++ b/tests/test_evidence.py\n@@ -1,4 +1,4 @@\n-\"\"\"HTML evidence graph: byte fidelity, resume, legacy projection, private ack.\"\"\"\n+\"\"\"HTML evidence graph: byte fidelity, resume, and Evidence-only pages.\"\"\"\n \n from __future__ import annotations\n \n@@ -86,55 +86,10 @@ def test_html_evidence_pages_escape_and_link(evidence_store):\n     assert patch_resp.headers[\"content-disposition\"].startswith(\"attachment\")\n \n \n-def test_legacy_epoch_projects_from_gitdiscovery_without_evidence(evidence_store):\n-    oid = \"sha1:\" + \"b\" * 40\n-    discovery = c.GitDiscovery(\n-        schema_version=1,\n-        epoch=3,\n-        snapshot_id=\"legacy-snap\",\n-        timestamp_ms=1,\n-        config_digest=\"d\",\n-        initial_snapshot=True,\n-        configuration={\"repositories\": [], \"contributors\": {}},\n-        repositories=[],\n-        observations=[{\n-            \"oid\": oid,\n-            \"eligible\": False,\n-            \"exclusion_reason\": \"before_genesis\",\n-            \"first_sources\": [],\n-        }, {\n-            \"oid\": \"sha1:\" + \"c\" * 40,\n-            \"eligible\": True,\n-            \"exclusion_reason\": None,\n-            \"first_sources\": [],\n-        }],\n-        commits=[{\n-            \"oid\": \"sha1:\" + \"c\" * 40,\n-            \"contributor\": \"tommy-mor\",\n-            \"message\": \"eligible\",\n-            \"patch\": \"diff --git a/x b/x\\n\",\n-        }],\n-    )\n-    emission = c.Emission(\n-        epoch=3,\n-        timestamp_ms=2,\n-        pool_before=\"1\",\n-        total_emitted=\"0.1\",\n-        pool_after=\"0.9\",\n-        decay_rate=\"0.1\",\n-        distributions={\"tommy-mor\": \"0.1\"},\n-        ranking={\"tommy-mor\": \"1\"},\n-        models_used=[],\n-        discovery_snapshot_id=\"legacy-snap\",\n-    )\n-    asyncio.run(c.store.append(discovery))\n-    asyncio.run(c.store.append(emission))\n-    html = asyncio.run(c.epoch_detail(3)).body.decode()\n-    assert \"legacy\" in html.lower()\n-    assert \"Single-contributor\" in html or \"no LLM\" in html\n-    excluded_id = c.commit_id_for_oid(oid)\n-    excluded_html = asyncio.run(c.commit_detail(excluded_id)).body.decode()\n-    assert \"legacy evidence unavailable\" in excluded_html.lower()\n+def test_commit_without_evidence_is_not_found(evidence_store):\n+    html = asyncio.run(c.commit_detail(\"c_missing\")).body.decode()\n+    assert \"commit not found\" in html\n+    assert \"legacy\" not in html.lower()\n \n \n def test_ranking_resume_skips_duplicate_provider_calls(evidence_store, monkeypatch):\n@@ -202,6 +157,10 @@ def test_epochs_index_lists_epochs(evidence_store):\n         distributions={},\n         ranking={},\n         models_used=[],\n+        discovery_snapshot_id=\"snap\",\n+        evidence_schema_version=c.EVIDENCE_SCHEMA_VERSION,\n+        ranking_run_id=\"r\",\n+        ranking_event_id=\"e\",\n     )))\n     html = asyncio.run(c.epochs_index()).body.decode()\n     assert \"/epochs/3\" in html\n\n\nSide B — contributor: tommy-mor\nSide B — commit message:\n[6b6eb0c3] Auth form: poem JS morphs form innerHTML on response; no redirect\n\n- post_choose_username returns HTML fragments instead of redirects:\n  success → auth_signed_in_fragment (\"you're signed in — return to your agent\")\n  error   → choose_username_error_fragment (form re-rendered with error inline)\n- Poem JS now reads response body; if non-empty, morphs form innerHTML with it\n  (existing ingest forms return empty body, so they're unaffected)\n- auth.rs: keep full layout() with poem JS — revert to single layout\n- auth-success CSS class added to both themes\n\nCo-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>\n\nSide B — unified diff (full patch):\ndiff --git a/server/src/api/auth.rs b/server/src/api/auth.rs\nindex c1194f79fd89fb47fe6b425b494a0ffa667abb2d..cb0faa29b834931e2c2b2f5c174c875e2e2e9346 100644\n--- a/server/src/api/auth.rs\n+++ b/server/src/api/auth.rs\n@@ -16,7 +16,7 @@ use crate::{\n         canonicalize_username, validate_agent_format, validate_username,\n         Event, TokenIssued, UserRegistered,\n     },\n-    html::{auth_complete_page, choose_username_page},\n+    html::{auth_complete_page, auth_signed_in_fragment, choose_username_error_fragment, choose_username_page},\n     state::{AppState, PendingSession},\n };\n \n@@ -274,8 +274,6 @@ pub async fn post_choose_username(\n         return api_error(StatusCode::BAD_REQUEST, \"invalid agent format\", Some(msg)).into_response();\n     }\n \n-    let public_url = std::env::var(\"SLUG_PUBLIC_URL\").unwrap_or_else(|_| \"http://127.0.0.1:8080\".to_string());\n-\n     let reduced_arc = state.reduced.clone();\n     let reduced = reduced_arc.read().await;\n     let provider_key = (provider.to_lowercase(), provider_id.clone());\n@@ -284,11 +282,7 @@ pub async fn post_choose_username(\n     }\n     if reduced.users_by_provider.values().any(|u| u == &canonicalize_username(&form.username)) {\n         drop(reduced);\n-        return Redirect::to(&format!(\n-            \"{public_url}/auth/choose-username?session={}&error={}\",\n-            urlencoding::encode(&form.session),\n-            urlencoding::encode(\"that username is taken — try another\"),\n-        )).into_response();\n+        return choose_username_error_fragment(&form.session, \"that username is taken — try another\").into_response();\n     }\n     drop(reduced);\n \n@@ -324,7 +318,7 @@ pub async fn post_choose_username(\n         s.complete = Some((canon_user.clone(), bearer.clone()));\n     }\n \n-    Redirect::to(&format!(\"{public_url}/auth/complete\")).into_response()\n+    auth_signed_in_fragment().into_response()\n }\n \n pub async fn post_pending_session(\ndiff --git a/server/src/html/auth.rs b/server/src/html/auth.rs\nindex 40b1ef30a6c1d4063aa2d8e9c93df8972df4b27c..0a14bdbfb66c65d1bd09993ffd4a7bb6f2fe041e 100644\n--- a/server/src/html/auth.rs\n+++ b/server/src/html/auth.rs\n@@ -1,20 +1,25 @@\n-use maud::{html, Markup, DOCTYPE};\n+use maud::{html, Markup};\n \n-/// Minimal layout for auth pages — no JS interceptor, real form navigation works.\n-fn auth_layout(title: &str, body: Markup) -> Markup {\n+fn form_inner(session: &str, error: Option<&str>) -> Markup {\n     html! {\n-        (DOCTYPE)\n-        html {\n-            head {\n-                meta charset=\"utf-8\";\n-                meta name=\"viewport\" content=\"width=device-width, initial-scale=1\";\n-                title { (title) }\n-                link rel=\"stylesheet\" href=\"/static/theme_default.css\";\n-            }\n-            body class=\"view-auth\" {\n-                (body)\n-            }\n+        input type=\"hidden\" name=\"session\" value=(session);\n+        label for=\"username\" { \"username\" }\n+        input\n+            type=\"text\"\n+            id=\"username\"\n+            name=\"username\"\n+            placeholder=\"e.g. alice\"\n+            pattern=\"[a-z0-9_\\\\-]{1,32}\"\n+            maxlength=\"32\"\n+            autocomplete=\"off\"\n+            autofocus;\n+        p.auth-hint {\n+            \"lowercase · alphanumeric · hyphens · underscores · max 32\"\n         }\n+        @if let Some(msg) = error {\n+            p.auth-error { (msg) }\n+        }\n+        button type=\"submit\" { \"continue\" }\n     }\n }\n \n@@ -28,27 +33,23 @@ pub fn choose_username_page(session: &str, error: Option<&str>) -> Markup {\n         h1 { \"choose a username\" }\n         p { \"pick a handle for slug.social.\" }\n         form.auth-form method=\"POST\" action=\"/auth/choose-username\" {\n-            input type=\"hidden\" name=\"session\" value=(session);\n-            label for=\"username\" { \"username\" }\n-            input\n-                type=\"text\"\n-                id=\"username\"\n-                name=\"username\"\n-                placeholder=\"e.g. alice\"\n-                pattern=\"[a-z0-9_\\\\-]{1,32}\"\n-                maxlength=\"32\"\n-                autocomplete=\"off\"\n-                autofocus;\n-            p.auth-hint {\n-                \"lowercase · alphanumeric · hyphens · underscores · max 32\"\n-            }\n-            @if let Some(msg) = error {\n-                p.auth-error { (msg) }\n-            }\n-            button type=\"submit\" { \"continue\" }\n+            (form_inner(session, error))\n         }\n     };\n-    auth_layout(\"join — slug.social\", body)\n+    super::layout(\"join — slug.social\", \"view-auth\", body, None)\n+}\n+\n+/// Fragment returned to the poem JS on error — replaces the form's innerHTML.\n+pub fn choose_username_error_fragment(session: &str, error: &str) -> Markup {\n+    form_inner(session, Some(error))\n+}\n+\n+/// Fragment returned to the poem JS on success — replaces the form's innerHTML.\n+pub fn auth_signed_in_fragment() -> Markup {\n+    html! {\n+        p.auth-success { \"you're signed in — return to your agent.\" }\n+        p.auth-hint { \"you can close this tab.\" }\n+    }\n }\n \n pub fn auth_complete_page() -> Markup {\n@@ -62,5 +63,5 @@ pub fn auth_complete_page() -> Markup {\n         p { \"Return to your terminal — your agent is polling and will collect your token automatically.\" }\n         p.auth-hint { \"You can close this tab.\" }\n     };\n-    auth_layout(\"signed in — slug.social\", body)\n+    super::layout(\"signed in — slug.social\", \"view-auth\", body, None)\n }\ndiff --git a/server/src/html/mod.rs b/server/src/html/mod.rs\nindex 2f16d701962d703db0c859bb586dfc08ec385690..8b48a25cce79f0eefc7e29849e1a667cae4c7986 100644\n--- a/server/src/html/mod.rs\n+++ b/server/src/html/mod.rs\n@@ -15,7 +15,7 @@ mod search;\n mod tree;\n use breadcrumb_path::OntologyPath;\n \n-pub use auth::{auth_complete_page, choose_username_page};\n+pub use auth::{auth_complete_page, auth_signed_in_fragment, choose_username_error_fragment, choose_username_page};\n pub use editor::{editor_check, editor_page};\n pub use forum::{index, thread_feed_html, thread_post_expand, thread_post_view, thread_view};\n pub use garden::{garden_index, ontology_path};\n@@ -114,6 +114,8 @@ script { (maud::PreEscaped(r#\"\n                         });\n \n                         // Poem: intercept POST forms, send via fetch, await SSE for DOM update.\n+                        // If the response body is non-empty HTML, morph the form's innerHTML with it\n+                        // (used for inline feedback without a page reload, e.g. auth forms).\n                         document.addEventListener('submit', async (e) => {\n                             const f = e.target;\n                             if (!f || f.tagName !== 'FORM') return;\n@@ -121,14 +123,19 @@ script { (maud::PreEscaped(r#\"\n                             e.preventDefault();\n                             const btn = f.querySelector('button[type=\"submit\"], input[type=\"submit\"]');\n                             if (btn) { btn.disabled = true; btn.textContent = '…'; }\n-                            await fetch(f.action, {\n+                            const resp = await fetch(f.action, {\n                                 method: 'POST',\n                                 body: new URLSearchParams(new FormData(f)),\n                                 headers: { 'Content-Type': 'application/x-www-form-urlencoded' },\n                                 credentials: 'same-origin',\n                             });\n-                            if (btn) { btn.disabled = false; btn.textContent = 'submit'; }\n-                            f.reset();\n+                            const html = await resp.text();\n+                            if (html && html.trim()) {\n+                                Idiomorph.morph(f, html, {morphStyle: 'innerHTML'});\n+                            } else {\n+                                if (btn) { btn.disabled = false; btn.textContent = 'submit'; }\n+                                f.reset();\n+                            }\n                         });\n \n                         // Search: debounced fetch + idiomorph.\ndiff --git a/server/static/theme_default.css b/server/static/theme_default.css\nindex 9e71574da4bed3a0116c347610636780678bd1af..a1d8d1765a7812191edc579125facf1694554c2c 100644\n--- a/server/static/theme_default.css\n+++ b/server/static/theme_default.css\n@@ -250,6 +250,11 @@ p.auth-error {\n   font-size: 12px;\n   margin: 4px 0 0;\n }\n+p.auth-success {\n+  color: var(--signal);\n+  font-size: 13px;\n+  margin: 4px 0 0;\n+}\n \n /* ----------------------------------------------------------------\n    BUTTONS — raised, press on :active\ndiff --git a/server/static/theme_retro.css b/server/static/theme_retro.css\nindex dc9fa4654f529eb1843557fb580cf3982da46901..8ed8fd88efab32b36bd66cf200aa182219b0a8b5 100644\n--- a/server/static/theme_retro.css\n+++ b/server/static/theme_retro.css\n@@ -32,6 +32,7 @@ input[type=\"text\"] {\n input[type=\"text\"]:focus { border-color: #00ff41; }\n p.auth-hint { color: #555; font-family: monospace; font-size: 0.75rem; margin: 0; }\n p.auth-error { color: #ff4444; font-family: monospace; font-size: 0.8rem; margin: 0; }\n+p.auth-success { color: #00ff41; font-family: monospace; font-size: 0.8rem; margin: 0; }\n \n /* Ingest form (poem pattern) */\n .ingest-form-wrap { margin-top: 1.5rem; }\n","role":"user"}],"model":"~x-ai/grok-latest"}