diff --git a/lyra/modes.py b/lyra/modes.py
index 950e53c..3155cf9 100644
--- a/lyra/modes.py
+++ b/lyra/modes.py
@@ -44,7 +44,7 @@ _CASH_TOOLS = _BASE + _LOOKUPS + (
     "start_session", "add_buyin", "log_stack", "log_hand", "record_hand",
     "add_read", "analyze_spot", "session_stats", "session_state", "end_session",
     "generate_recap", "scar_note", "confidence_bank", "alligator_blood", "reset_ritual",
-    "undo_last",
+    "undo_last", "update_session",
 )
 
 # Talk mode also gets start_session as the *entry point*: opening a session from a
diff --git a/lyra/poker.py b/lyra/poker.py
index 13868e7..19f2e31 100644
--- a/lyra/poker.py
+++ b/lyra/poker.py
@@ -341,6 +341,50 @@ def _resolve(session_id: int | None) -> int | None:
     return live["id"] if live else None
 
 
+def review_session_id() -> int | None:
+    """The session to attach reflective entries to: the live one if any, else the
+    most-recent real session (closed). Lets rituals/notes land while reviewing after
+    you've racked up. Excludes the standing 'Hand Reviews' bucket."""
+    live = live_session()
+    if live:
+        return live["id"]
+    r = _c().execute(
+        "SELECT id FROM poker_sessions WHERE status != 'review' ORDER BY id DESC LIMIT 1"
+    ).fetchone()
+    return int(r["id"]) if r else None
+
+
+_EDITABLE = ("venue", "stakes", "game", "format", "buy_in_total", "cash_out",
+             "mantra", "mood")
+
+
+def update_session(session_id: int, **fields) -> dict | None:
+    """Edit session details (during or after play). Only known columns are touched;
+    net is recomputed when buy-in/cash-out change and both are known."""
+    s = get_session(session_id)
+    if not s:
+        return None
+    sets, vals = [], []
+    for k, v in fields.items():
+        if k in _EDITABLE and v is not None:
+            sets.append(f"{k} = ?")
+            vals.append(float(v) if k in ("buy_in_total", "cash_out") else v)
+    if sets:
+        conn = _c()
+        with conn:
+            conn.execute(f"UPDATE poker_sessions SET {', '.join(sets)} WHERE id = ?",
+                         (*vals, session_id))
+        s = get_session(session_id)
+        # keep net consistent if the money fields changed and both are present
+        if s.get("cash_out") is not None and s.get("buy_in_total") is not None:
+            net = float(s["cash_out"]) - float(s["buy_in_total"])
+            if net != s.get("net"):
+                with conn:
+                    conn.execute("UPDATE poker_sessions SET net = ? WHERE id = ?", (net, session_id))
+                s = get_session(session_id)
+    return s
+
+
 def add_buyin(amount: float, session_id: int | None = None) -> float:
     """Add a buy-in/rebuy to a session. Returns the new total in."""
     sid = _resolve(session_id)
@@ -1090,7 +1134,10 @@ def hud(session_id: int | None = None) -> dict | None:
             "id": sid, "venue": s.get("venue"), "stakes": s.get("stakes"),
             "game": s.get("game"), "format": s.get("format"),
             "status": s.get("status"), "started_at": s.get("started_at"),
-            "buy_in_total": s.get("buy_in_total"),
+            "ended_at": s.get("ended_at"), "hours": s.get("hours"),
+            "buy_in_total": s.get("buy_in_total"), "cash_out": s.get("cash_out"),
+            "net": s.get("net"), "mantra": s.get("mantra"), "mood": s.get("mood"),
+            "is_live": s.get("status") == "live", "has_recap": bool(s.get("recap_md")),
         },
         "stack": {
             "current": state["current"], "buy_in": state["buy_in"], "net": state["net"],
diff --git a/lyra/tools.py b/lyra/tools.py
index b5111b5..d98c3ed 100644
--- a/lyra/tools.py
+++ b/lyra/tools.py
@@ -117,6 +117,21 @@ def _log_stack(args: dict, ctx: dict) -> str:
     return f"Stack ${amount:g} logged" + (f" (net {net:+.0f})." if net is not None else ".")
 
 
+def _update_session(args: dict, ctx: dict) -> str:
+    sid = poker.review_session_id()
+    if sid is None:
+        return "No session to edit yet."
+    fields = {k: args.get(k) for k in ("venue", "stakes", "game", "format",
+              "buy_in_total", "cash_out", "mantra", "mood") if args.get(k) not in (None, "")}
+    if not fields:
+        return "Tell me what to change (venue, stakes, game, buy-in, etc.)."
+    s = poker.update_session(sid, **fields)
+    if not s:
+        return "Couldn't find that session."
+    changed = ", ".join(f"{k}={v}" for k, v in fields.items())
+    return f"Session #{sid} updated — {changed}."
+
+
 def _undo_last(args: dict, ctx: dict) -> str:
     what = (args.get("what") or "").strip().lower()
     aliases = {"hands": "hand", "stacks": "stack", "reads": "read",
@@ -143,11 +158,11 @@ def _scar_note(args: dict, ctx: dict) -> str:
     cls = (args.get("classification") or "").strip().lower() or None
     if cls and cls not in ("punt", "cooler", "standard"):
         cls = None
-    try:
-        poker.log_ritual("scar", content=content, classification=cls,
-                         hand_id=args.get("hand_id"))
-    except ValueError:
-        return "No live session — start one and I'll keep the scar notes."
+    sid = poker.review_session_id()  # live, or the most-recent session (post-game review)
+    if sid is None:
+        return "No session yet — start one and I'll keep the scar notes."
+    poker.log_ritual("scar", content=content, classification=cls,
+                     hand_id=args.get("hand_id"), session_id=sid)
     return f"Scar note logged{f' ({cls})' if cls else ''}."
 
 
@@ -155,10 +170,10 @@ def _confidence_bank(args: dict, ctx: dict) -> str:
     content = (args.get("content") or "").strip()
     if not content:
         return "Nothing to bank — tell me the good process."
-    try:
-        poker.log_ritual("confidence", content=content, hand_id=args.get("hand_id"))
-    except ValueError:
-        return "No live session — start one and I'll run the confidence bank."
+    sid = poker.review_session_id()
+    if sid is None:
+        return "No session yet — start one and I'll run the confidence bank."
+    poker.log_ritual("confidence", content=content, hand_id=args.get("hand_id"), session_id=sid)
     return "Banked. 💰"
 
 
@@ -174,10 +189,10 @@ def _alligator_blood(args: dict, ctx: dict) -> str:
 
 def _reset_ritual(args: dict, ctx: dict) -> str:
     content = (args.get("content") or "").strip() or None
-    try:
-        poker.log_ritual("reset", content=content)
-    except ValueError:
-        return "No live session to reset."
+    sid = poker.review_session_id()
+    if sid is None:
+        return "No session to reset."
+    poker.log_ritual("reset", content=content, session_id=sid)
     return "Reset logged. Clean slate — this is a new session in your head."
 
 
@@ -389,6 +404,20 @@ TOOLS.update({
     "add_buyin": {"handler": _add_buyin, "spec": _f(
         "add_buyin", "Record a rebuy / additional buy-in in the live session.",
         {"amount": {**_N, "description": "Amount added"}}, ["amount"])},
+    "update_session": {"handler": _update_session, "spec": _f(
+        "update_session",
+        "Edit details of the current/most-recent session — during or after play. Use "
+        "when Brian corrects something ('change the stakes to 2/5', 'venue was actually "
+        "Bellagio', 'I bought in for 600', 'cashed out 1240'). Only pass fields that change.",
+        {"venue": {**_S, "description": "Casino/room"},
+         "stakes": {**_S, "description": "e.g. '1/3', '2/5'"},
+         "game": {**_S, "description": "NLH, PLO, ..."},
+         "format": {**_S, "description": "cash | tournament"},
+         "buy_in_total": {**_N, "description": "Total bought in"},
+         "cash_out": {**_N, "description": "Final cashout (recomputes net)"},
+         "mantra": {**_S, "description": "Pre-session focus/anchor"},
+         "mood": {**_S, "description": "Mental-game note"}},
+        [])},
     "undo_last": {"handler": _undo_last, "spec": _f(
         "undo_last",
         "Undo/delete the most recent logged entry in the live session when Brian says "
diff --git a/lyra/web/server.py b/lyra/web/server.py
index 9b3d5bf..79785c9 100644
--- a/lyra/web/server.py
+++ b/lyra/web/server.py
@@ -108,11 +108,19 @@ def create_app() -> FastAPI:
         return FileResponse(str(_STATIC / "session.html"))
 
     @app.get("/session/data")
-    async def session_hud_data() -> dict:
-        """The current live session's HUD bundle (or {session: None} if none open)."""
-        bundle = await asyncio.to_thread(poker.hud)
+    async def session_hud_data(id: int | None = None) -> dict:
+        """HUD bundle for the live session, or a specific past session via ?id=."""
+        bundle = await asyncio.to_thread(poker.hud, id)
         return bundle or {"session": None}
 
+    @app.patch("/session/{session_id}")
+    async def session_update(session_id: int, request: Request) -> dict:
+        """Edit a session's details (venue/stakes/game/buy-in/cash-out/…)."""
+        body = await request.json()
+        s = await asyncio.to_thread(lambda: poker.update_session(session_id, **body))
+        logbus.log("info", "session edited", id=session_id, fields=list(body))
+        return {"ok": s is not None, "session": s}
+
     @app.delete("/session/entry/{kind}/{entry_id}")
     async def delete_entry(kind: str, entry_id: int) -> dict:
         """Delete one HUD entry (hand | stack | read | ritual) by id."""
diff --git a/lyra/web/static/history.html b/lyra/web/static/history.html
index 167cf0c..43224c1 100644
--- a/lyra/web/static/history.html
+++ b/lyra/web/static/history.html
@@ -85,7 +85,7 @@
           const date=(s.started_at||'').slice(0,10);
           const meta=[date,s.venue,`${s.hands} hand${s.hands===1?'':'s'}`,
                       s.hours?`${(+s.hours).toFixed(1)}h`:''].filter(Boolean).join(' · ');
-          const href=s.has_recap?`/recap/${s.id}`:`/session`;
+          const href=`/session?id=${s.id}`;  // read-only HUD detail for any session
           const net=s.net!=null?money(s.net):(s.status==='live'?'live':'—');
           return `<div class="row">
             <a class="body" href="${href}">
diff --git a/lyra/web/static/session.html b/lyra/web/static/session.html
index f0d2170..dbc674c 100644
--- a/lyra/web/static/session.html
+++ b/lyra/web/static/session.html
@@ -84,6 +84,21 @@
     .del-x { flex: none; background: none; border: none; color: var(--fade); font-size: 1.15rem;
       line-height: 1; padding: 2px 6px; cursor: pointer; -webkit-tap-highlight-color: transparent; }
     .del-x:active { color: var(--low); }
+    /* session edit form */
+    .edit-btn { margin-left: auto; background: #241400; border: 1px solid var(--border); color: var(--accent);
+      border-radius: 8px; padding: 5px 10px; font-size: .8rem; cursor: pointer; -webkit-tap-highlight-color: transparent; }
+    .mantra { color: var(--mid); font-style: italic; font-size: .9rem; margin-top: 10px; }
+    .edit-form { grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
+    .edit-form label { display: flex; flex-direction: column; gap: 4px; font-size: .68rem;
+      color: var(--fade); text-transform: uppercase; letter-spacing: .4px; }
+    .edit-form label.wide { grid-column: 1 / -1; }
+    .edit-form input { background: var(--bg-line); border: 1px solid var(--border); border-radius: 8px;
+      padding: 8px 10px; color: var(--text); font-size: 16px; }
+    .edit-form input:focus { outline: none; border-color: var(--accent); }
+    .edit-actions { grid-column: 1 / -1; display: flex; gap: 8px; justify-content: flex-end; }
+    .edit-actions button { background: var(--bg-line); border: 1px solid var(--border); color: var(--text);
+      border-radius: 8px; padding: 8px 16px; cursor: pointer; }
+    .edit-actions button.save { background: var(--accent); color: #0a0a0a; border-color: var(--accent); font-weight: 600; }
     .empty { color: var(--fade); font-size: .92rem; }
     .err { color: var(--low); text-align: center; padding: 30px; }
     .big-empty { text-align: center; padding: 50px 20px; color: var(--fade); }
@@ -108,6 +123,8 @@
     const root = document.getElementById('root');
     const dot = document.getElementById('dot');
     const updatedEl = document.getElementById('updated');
+    const SID = new URLSearchParams(location.search).get('id');  // past-session view when set
+    let curSession = null;  // the session object currently rendered (for the edit form)
 
     function esc(s){ const d=document.createElement('div'); d.textContent = s==null?'':String(s); return d.innerHTML; }
     function money(v){ if (v == null) return '—'; const n = Number(v); return (n<0?'-$':'$') + Math.abs(n).toLocaleString(); }
@@ -127,6 +144,16 @@
       const h = Math.floor(s/3600), m = Math.round((s%3600)/60);
       return h ? `${h}h ${m}m` : `${m}m`;
     }
+    // For a live session: time since start. For a closed one: actual played duration.
+    function clock(sess){
+      if(sess.is_live) return elapsed(sess.started_at);
+      if(sess.hours != null) return (+sess.hours).toFixed(1) + 'h';
+      if(sess.started_at && sess.ended_at){
+        const s = Math.max(0,(new Date(sess.ended_at)-new Date(sess.started_at))/1000);
+        const h=Math.floor(s/3600), m=Math.round((s%3600)/60); return h?`${h}h ${m}m`:`${m}m`;
+      }
+      return '—';
+    }
 
     // Tiny inline sparkline of the stack-over-time series.
     function sparkline(series){
@@ -148,6 +175,28 @@
 
     function netClass(v){ return v == null ? 'flat' : v > 0 ? 'up' : v < 0 ? 'down' : 'flat'; }
 
+    function toggleEdit(){
+      const f = document.getElementById('editForm');
+      if(f) f.style.display = (f.style.display === 'none' || !f.style.display) ? 'grid' : 'none';
+    }
+    async function saveEdit(){
+      if(!curSession) return;
+      const body = {};
+      for(const k of ['venue','stakes','game','format','buy_in_total','cash_out','mantra','mood']){
+        const el = document.getElementById('ed_'+k);
+        if(!el) continue;
+        let v = el.value.trim();
+        if(v === '') continue;
+        body[k] = (k==='buy_in_total'||k==='cash_out') ? Number(v) : v;
+      }
+      try {
+        const r = await fetch('/session/' + curSession.id, {
+          method:'PATCH', headers:{'Content-Type':'application/json'}, body: JSON.stringify(body) });
+        if(!r.ok) throw new Error('HTTP '+r.status);
+        toggleEdit(); refresh();
+      } catch(e){ alert('Save failed: '+e.message); }
+    }
+
     // Delete one logged entry (hand | ritual | read | stack), then refresh.
     async function del(kind, id){
       if(!confirm('Delete this entry?')) return;
@@ -168,6 +217,7 @@
         updatedEl.textContent = '';
         return;
       }
+      curSession = s;
       const stack = data.stack || {};
       const hands = data.hands || [];
       const villains = data.villains || [];
@@ -190,14 +240,29 @@
         <div class="card">
           <div class="sess-top">
             <span class="sess-title">${esc(title)}</span>
-            <span class="sess-sub">${esc(s.venue || 'unknown room')}${s.status && s.status!=='live' ? ' · '+esc(s.status) : ''}</span>
+            <span class="sess-sub">${esc(s.venue || 'unknown room')}${!s.is_live && s.status ? ' · '+esc(s.status) : ''}</span>
+            <button class="edit-btn" onclick="toggleEdit()" title="Edit session details">✎ Edit</button>
           </div>
           <div class="chips">
-            <span class="chip">⏱ <b>${elapsed(s.started_at)}</b></span>
+            <span class="chip">⏱ <b>${clock(s)}</b></span>
             <span class="chip">in <b>${money(s.buy_in_total)}</b></span>
+            ${!s.is_live && s.net != null ? `<span class="chip">net <b class="${netClass(s.net)}" style="font-weight:700">${signed(s.net)}</b></span>` : ''}
             <span class="chip">${esc(s.format || 'cash')}</span>
             <span class="chip"><b>${hands.length}</b> hands</span>
             ${resets.length ? `<span class="chip">🔄 <b>${resets.length}</b> reset${resets.length>1?'s':''}</span>` : ''}
+            ${s.has_recap ? `<a class="chip" style="color:var(--accent);text-decoration:none" href="/recap/${s.id}">📝 recap</a>` : ''}
+          </div>
+          ${s.mantra ? `<div class="mantra">“${esc(s.mantra)}”</div>` : ''}
+          <div id="editForm" class="edit-form" style="display:none">
+            <label>Venue<input id="ed_venue" value="${esc(s.venue||'')}"></label>
+            <label>Stakes<input id="ed_stakes" value="${esc(s.stakes||'')}"></label>
+            <label>Game<input id="ed_game" value="${esc(s.game||'')}"></label>
+            <label>Format<input id="ed_format" value="${esc(s.format||'')}"></label>
+            <label>Buy-in $<input id="ed_buy_in_total" type="number" value="${s.buy_in_total??''}"></label>
+            <label>Cash-out $<input id="ed_cash_out" type="number" value="${s.cash_out??''}"></label>
+            <label class="wide">Mantra<input id="ed_mantra" value="${esc(s.mantra||'')}"></label>
+            <label class="wide">Mood<input id="ed_mood" value="${esc(s.mood||'')}"></label>
+            <div class="edit-actions"><button onclick="saveEdit()" class="save">Save</button><button onclick="toggleEdit()">Cancel</button></div>
           </div>
         </div>
 
@@ -272,8 +337,11 @@
     }
 
     async function refresh(){
+      // don't clobber the edit form mid-edit on a poll tick
+      const ef = document.getElementById('editForm');
+      if (ef && ef.style.display === 'grid') return;
       try {
-        const r = await fetch('/session/data', { cache: 'no-store' });
+        const r = await fetch('/session/data' + (SID ? ('?id=' + encodeURIComponent(SID)) : ''), { cache: 'no-store' });
         const data = await r.json();
         data._fetched = new Date().toISOString();
         dot.classList.add('pulse'); setTimeout(() => dot.classList.remove('pulse'), 400);
@@ -284,7 +352,7 @@
     }
 
     refresh();
-    setInterval(refresh, 5000);
+    if (!SID) setInterval(refresh, 5000);  // live HUD polls; a past session is static
     document.addEventListener('visibilitychange', () => { if (!document.hidden) refresh(); });
   </script>
 </body>
diff --git a/tests/test_modes.py b/tests/test_modes.py
index 74d79f0..0c2c21d 100644
--- a/tests/test_modes.py
+++ b/tests/test_modes.py
@@ -179,9 +179,10 @@ def test_undo_last_and_delete_entry(lyra):
     _, poker, modes, tools = lyra
     assert "undo_last" in modes.CASH.tools
     poker.start_session(venue="Meadows", stakes="2/5", buy_in=500)
-    h1 = poker.log_hand(position="UTG", hole_cards="AA")
-    h2 = poker.log_hand(position="BTN", hole_cards="72o")
-    poker.log_stack(600); poker.log_stack(420)
+    poker.log_hand(position="UTG", hole_cards="AA")
+    poker.log_hand(position="BTN", hole_cards="72o")
+    poker.log_stack(600)
+    poker.log_stack(420)
     poker.log_ritual("scar", content="punted")
     poker.log_ritual("confidence", content="good fold")
 
@@ -215,6 +216,48 @@ def test_undo_last_tool(lyra):
     assert "one of" in tools.dispatch("undo_last", {"what": "banana"}, {}).lower()
 
 
+def test_update_session_edit(lyra):
+    _, poker, modes, tools = lyra
+    assert "update_session" in modes.CASH.tools
+    sid = poker.start_session(venue="Meadows", stakes="1/3", buy_in=300)
+    s = poker.update_session(sid, stakes="2/5", buy_in_total=600, cash_out=900, venue="Bellagio")
+    assert s["stakes"] == "2/5" and s["venue"] == "Bellagio"
+    assert s["buy_in_total"] == 600 and s["cash_out"] == 900
+    assert s["net"] == 300  # recomputed from cash_out - buy_in
+    # via the tool (edits the live/most-recent session)
+    out = tools.dispatch("update_session", {"mood": "locked in"}, {})
+    assert "updated" in out.lower() and poker.get_session(sid)["mood"] == "locked in"
+    assert "what to change" in tools.dispatch("update_session", {}, {}).lower()
+
+
+def test_review_session_and_post_close_rituals(lyra):
+    _, poker, _, tools = lyra
+    sid = poker.start_session(venue="Meadows", stakes="2/5", buy_in=500)
+    poker.end_session(cash_out=720)
+    assert poker.live_session() is None
+    assert poker.review_session_id() == sid  # most-recent closed session
+
+    # rituals attach to the closed session during review (no live session needed)
+    out = tools.dispatch("scar_note", {"content": "should've folded turn", "classification": "punt"}, {})
+    assert "logged" in out.lower()
+    tools.dispatch("confidence_bank", {"content": "good thin value river"}, {})
+    assert len(poker.list_rituals(session_id=sid, kinds=("scar",))) == 1
+    assert len(poker.list_rituals(session_id=sid, kinds=("confidence",))) == 1
+
+
+def test_hud_for_past_session(lyra):
+    _, poker, _, _ = lyra
+    sid = poker.start_session(venue="Meadows", stakes="2/5", buy_in=500)
+    poker.log_hand(position="BTN", hole_cards="AKs")
+    poker.end_session(cash_out=650)
+    # a *new* live session so live HUD != the one we query
+    poker.start_session(venue="Wynn", stakes="1/3", buy_in=300)
+    past = poker.hud(sid)
+    assert past["session"]["id"] == sid and past["session"]["is_live"] is False
+    assert past["session"]["net"] == 150 and len(past["hands"]) == 1
+    assert poker.hud()["session"]["venue"] == "Wynn"  # live one unaffected
+
+
 def test_list_and_delete_session(lyra):
     _, poker, _, tools = lyra
     keep = poker.start_session(venue="Meadows", stakes="1/3", buy_in=300)
@@ -244,9 +287,9 @@ def test_recent_sessions_tool(lyra):
     assert "Meadows" in out and "+220" in out
 
 
-def test_rituals_require_live_session(lyra):
+def test_rituals_require_a_session(lyra):
     _, poker, _, tools = lyra
-    # tools degrade gracefully (no exception) when nothing is open
-    assert "no live session" in tools.dispatch("scar_note", {"content": "x"}, {}).lower()
+    # with no session at all, the tool degrades gracefully (no exception)
+    assert "no session" in tools.dispatch("scar_note", {"content": "x"}, {}).lower()
     with pytest.raises(ValueError):
         poker.log_ritual("scar", content="x")