diff --git a/frontend/src/components/EntityCard.tsx b/frontend/src/components/EntityCard.tsx
index 671586e..2e43f63 100644
--- a/frontend/src/components/EntityCard.tsx
+++ b/frontend/src/components/EntityCard.tsx
@@ -1,79 +1,104 @@
 import { useTranslation } from 'react-i18next'
 import type { SpiritEntity } from '../lib/types'
-import { GhostGlyph } from './GhostGlyph'
 
 export type EntityCardProps = {
   entity: SpiritEntity | null
   isNew: boolean
+  /** Whether the collapsible dossier body is expanded. */
+  open: boolean
+  /** Toggle the collapsed/expanded state (ignored while there's no entity). */
+  onToggleOpen: () => void
 }
 
-const RARITY_CLASS: Record<string, string> = {
-  common: 'rarity-common',
-  uncommon: 'rarity-uncommon',
-  rare: 'rarity-rare',
-  mythic: 'rarity-mythic',
-}
-
-/** Occult dossier of the currently-summoned spirit, wax-seal vibe. */
-export function EntityCard({ entity, isNew }: EntityCardProps) {
+/**
+ * Occult dossier of the currently-summoned spirit, wax-seal vibe.
+ * Styling (`.spirit-dossier` / `.dossier-*` / `.rarity-badge` / …) lives in
+ * SeancePage.css alongside the rest of the side column.
+ */
+export function EntityCard({ entity, isNew, open, onToggleOpen }: EntityCardProps) {
   const { t } = useTranslation()
 
   if (!entity) {
     return (
-      <aside className="entity-card empty">
-        <h3 className="ec-title">{t('seance.entity.title')}</h3>
-        <div className="ec-none">
-          <div className="ec-none-sigil">⟁</div>
-          <p>{t('seance.entity.none')}</p>
-          <p className="dim">{t('seance.entity.noneHint')}</p>
+      <section className="spirit-dossier empty">
+        <div className="dossier-body">
+          <p className="dossier-none">{t('seance.entity.none')}</p>
+          <p className="dossier-nonehint dim">{t('seance.entity.noneHint')}</p>
         </div>
-      </aside>
+      </section>
     )
   }
 
   return (
-    <aside className="entity-card">
-      <div className="ec-wax" aria-hidden="true">
-        {entity.name.slice(0, 1).toUpperCase()}
-      </div>
-      <h3 className="ec-title">{t('seance.entity.title')}</h3>
-      <div className="ec-head">
-        <GhostGlyph hue={entity.visual.hue} form={entity.visual.form} size={64} />
-        <div>
-          <div className="ec-name glitch-hover">{entity.name}</div>
-          <div className="ec-epithet">{entity.epithet}</div>
-          <span className={`rarity-badge ${RARITY_CLASS[entity.rarity] ?? ''}`}>
-            {t(`seance.entity.rarity.${entity.rarity}`)}
-          </span>
-        </div>
-      </div>
-      <div className="ec-contact">
-        {isNew ? t('seance.entity.isNew') : t('seance.entity.known', { count: entity.contact_count })}
-      </div>
-      <div className="ec-section">
-        <h4>{t('seance.entity.persona')}</h4>
-        <p className="ec-persona">{entity.persona}</p>
-      </div>
-      {entity.quotes.length > 0 && (
-        <div className="ec-section">
-          <h4>{t('seance.entity.quotes')}</h4>
-          <ul className="ec-quotes">
-            {entity.quotes.slice(0, 4).map((q, i) => (
-              <li key={i}>“{q}”</li>
-            ))}
-          </ul>
+    <section className={`spirit-dossier ${open ? 'open' : 'closed'}`}>
+      <button type="button" className="dossier-header" onClick={onToggleOpen} aria-expanded={open}>
+        <span className="dossier-title">{t('seance.entity.title')}</span>
+        <span className="dossier-chevron" aria-hidden>
+          {open ? '▾' : '◂'}
+        </span>
+      </button>
+      {open && (
+        <div className="dossier-body">
+          <h3 className="dossier-name" style={{ color: `hsl(${entity.visual.hue} 85% 78%)` }}>
+            {entity.name}
+          </h3>
+          <p className="dossier-epithet">{entity.epithet}</p>
+          <div className="dossier-badges">
+            <span className={`rarity-badge rarity-${entity.rarity}`}>
+              {t(`seance.entity.rarity.${entity.rarity}`)}
+            </span>
+            {isNew ? (
+              <span className="dossier-badge badge-new">{t('seance.entity.isNew')}</span>
+            ) : (
+              <span className="dossier-badge badge-known">
+                {t('seance.entity.known', { count: entity.contact_count })}
+              </span>
+            )}
+          </div>
+
+          <div className="dossier-section">
+            <h4>{t('seance.entity.persona')}</h4>
+            <p className="dossier-persona">{entity.persona}</p>
+          </div>
+
+          <div className="dossier-section">
+            <h4>{t('seance.entity.voice')}</h4>
+            <dl className="voice-params">
+              <div>
+                <dt>id</dt>
+                <dd>{entity.voice.voice_id}</dd>
+              </div>
+              <div>
+                <dt>pitch</dt>
+                <dd>{entity.voice.pitch.toFixed(2)}</dd>
+              </div>
+              <div>
+                <dt>rate</dt>
+                <dd>{entity.voice.rate.toFixed(2)}</dd>
+              </div>
+              <div>
+                <dt>noise</dt>
+                <dd>{entity.voice.noise.toFixed(2)}</dd>
+              </div>
+              <div>
+                <dt>echo</dt>
+                <dd>{entity.voice.echo.toFixed(2)}</dd>
+              </div>
+            </dl>
+          </div>
+
+          {entity.quotes.length > 0 && (
+            <div className="dossier-section">
+              <h4>{t('seance.entity.quotes')}</h4>
+              <ul className="dossier-quotes">
+                {entity.quotes.slice(0, 4).map((q, i) => (
+                  <li key={i}>“{q}”</li>
+                ))}
+              </ul>
+            </div>
+          )}
         </div>
       )}
-      <div className="ec-section">
-        <h4>{t('seance.entity.voice')}</h4>
-        <div className="ec-voice">
-          <span>id {entity.voice.voice_id}</span>
-          <span>pitch {entity.voice.pitch.toFixed(2)}</span>
-          <span>rate {entity.voice.rate.toFixed(2)}</span>
-          <span>noise {entity.voice.noise.toFixed(2)}</span>
-          <span>echo {entity.voice.echo.toFixed(2)}</span>
-        </div>
-      </div>
-    </aside>
+    </section>
   )
 }
diff --git a/frontend/src/components/TelemetryReadout.tsx b/frontend/src/components/TelemetryReadout.tsx
index 6a3310e..5d476b6 100644
--- a/frontend/src/components/TelemetryReadout.tsx
+++ b/frontend/src/components/TelemetryReadout.tsx
@@ -1,28 +1,47 @@
 import { useTranslation } from 'react-i18next'
 import type { Telemetry } from '../lib/types'
 
-/** Flickering terminal readout of live wire telemetry. */
+/**
+ * Flickering terminal readout of live wire telemetry.
+ * Styling (`.panel-title` / `.telemetry-grid` / `.tel-row` / …) lives in
+ * SeancePage.css alongside the other mode-panel styles.
+ */
 export function TelemetryReadout({ telemetry }: { telemetry: Telemetry | null }) {
   const { t } = useTranslation()
-  const rows: Array<[string, string]> = telemetry
-    ? [
-        [t('seance.telemetry.jitter'), `${telemetry.jitter_bytes_per_s.toFixed(1)} ${t('seance.telemetry.units.bytes')}`],
-        [t('seance.telemetry.latencyVar'), `${telemetry.latency_variance_ms.toFixed(2)} ${t('seance.telemetry.units.ms')}`],
-        [t('seance.telemetry.latencyMean'), `${telemetry.latency_mean_ms.toFixed(2)} ${t('seance.telemetry.units.ms')}`],
-        [t('seance.telemetry.dns'), `${telemetry.dns_ms.toFixed(1)} ${t('seance.telemetry.units.ms')}`],
-      ]
-    : []
 
   return (
-    <div className="telemetry">
-      <h4 className="telemetry-title">{t('seance.telemetry.title')}</h4>
-      {rows.length === 0 && <div className="telemetry-row dim">— — —</div>}
-      {rows.map(([label, value]) => (
-        <div className="telemetry-row flicker" key={label}>
-          <span className="telemetry-label">{label}</span>
-          <span className="telemetry-value">{value}</span>
+    <>
+      <h4 className="panel-title">{t('seance.telemetry.title')}</h4>
+      {telemetry ? (
+        <div className="telemetry-grid">
+          <div className="tel-row">
+            <span className="tel-key">{t('seance.telemetry.jitter')}</span>
+            <span className="tel-val flicker-soft">
+              {telemetry.jitter_bytes_per_s.toFixed(1)} {t('seance.telemetry.units.bytes')}
+            </span>
+          </div>
+          <div className="tel-row">
+            <span className="tel-key">{t('seance.telemetry.latencyVar')}</span>
+            <span className="tel-val flicker-soft">
+              {telemetry.latency_variance_ms.toFixed(2)} {t('seance.telemetry.units.ms')}
+            </span>
+          </div>
+          <div className="tel-row">
+            <span className="tel-key">{t('seance.telemetry.latencyMean')}</span>
+            <span className="tel-val flicker-soft">
+              {telemetry.latency_mean_ms.toFixed(1)} {t('seance.telemetry.units.ms')}
+            </span>
+          </div>
+          <div className="tel-row">
+            <span className="tel-key">{t('seance.telemetry.dns')}</span>
+            <span className="tel-val flicker-soft">
+              {telemetry.dns_ms.toFixed(1)} {t('seance.telemetry.units.ms')}
+            </span>
+          </div>
         </div>
-      ))}
-    </div>
+      ) : (
+        <p className="dim flicker">{t('common.loading')}</p>
+      )}
+    </>
   )
 }
diff --git a/frontend/src/pages/SeancePage.tsx b/frontend/src/pages/SeancePage.tsx
index b579388..500be59 100644
--- a/frontend/src/pages/SeancePage.tsx
+++ b/frontend/src/pages/SeancePage.tsx
@@ -22,6 +22,8 @@ import { PlanchetteBoard } from '../components/PlanchetteBoard'
 import { MatrixView } from '../components/MatrixView'
 import { GraphView } from '../components/GraphView'
 import { Transcript } from '../components/Transcript'
+import { EntityCard } from '../components/EntityCard'
+import { TelemetryReadout } from '../components/TelemetryReadout'
 import { PlanchetteMachine } from '../lib/planchette'
 import type { PlanchetteSnapshot } from '../lib/planchette'
 import { EvpListener } from '../lib/evp'
@@ -335,90 +337,12 @@ function SeanceSession({ username }: { username: string }) {
         </section>
 
         <aside className="seance-side">
-          {entity ? (
-            <section className={`spirit-dossier ${dossierOpen ? 'open' : 'closed'}`}>
-              <button
-                type="button"
-                className="dossier-header"
-                onClick={() => setDossierOpen((o) => !o)}
-                aria-expanded={dossierOpen}
-              >
-                <span className="dossier-title">{t('seance.entity.title')}</span>
-                <span className="dossier-chevron" aria-hidden>
-                  {dossierOpen ? '▾' : '◂'}
-                </span>
-              </button>
-              {dossierOpen && (
-                <div className="dossier-body">
-                  <h3 className="dossier-name" style={{ color: `hsl(${entity.visual.hue} 85% 78%)` }}>
-                    {entity.name}
-                  </h3>
-                  <p className="dossier-epithet">{entity.epithet}</p>
-                  <div className="dossier-badges">
-                    <span className={`rarity-badge rarity-${entity.rarity}`}>
-                      {t(`seance.entity.rarity.${entity.rarity}`)}
-                    </span>
-                    {state.entityIsNew ? (
-                      <span className="dossier-badge badge-new">{t('seance.entity.isNew')}</span>
-                    ) : (
-                      <span className="dossier-badge badge-known">
-                        {t('seance.entity.known', { count: entity.contact_count })}
-                      </span>
-                    )}
-                  </div>
-
-                  <div className="dossier-section">
-                    <h4>{t('seance.entity.persona')}</h4>
-                    <p className="dossier-persona">{entity.persona}</p>
-                  </div>
-
-                  <div className="dossier-section">
-                    <h4>{t('seance.entity.voice')}</h4>
-                    <dl className="voice-params">
-                      <div>
-                        <dt>id</dt>
-                        <dd>{entity.voice.voice_id}</dd>
-                      </div>
-                      <div>
-                        <dt>pitch</dt>
-                        <dd>{entity.voice.pitch.toFixed(2)}</dd>
-                      </div>
-                      <div>
-                        <dt>rate</dt>
-                        <dd>{entity.voice.rate.toFixed(2)}</dd>
-                      </div>
-                      <div>
-                        <dt>noise</dt>
-                        <dd>{entity.voice.noise.toFixed(2)}</dd>
-                      </div>
-                      <div>
-                        <dt>echo</dt>
-                        <dd>{entity.voice.echo.toFixed(2)}</dd>
-                      </div>
-                    </dl>
-                  </div>
-
-                  {entity.quotes.length > 0 && (
-                    <div className="dossier-section">
-                      <h4>{t('seance.entity.quotes')}</h4>
-                      <ul className="dossier-quotes">
-                        {entity.quotes.slice(0, 4).map((q, i) => (
-                          <li key={i}>“{q}”</li>
-                        ))}
-                      </ul>
-                    </div>
-                  )}
-                </div>
-              )}
-            </section>
-          ) : (
-            <section className="spirit-dossier empty">
-              <div className="dossier-body">
-                <p className="dossier-none">{t('seance.entity.none')}</p>
-                <p className="dossier-nonehint dim">{t('seance.entity.noneHint')}</p>
-              </div>
-            </section>
-          )}
+          <EntityCard
+            entity={entity}
+            isNew={state.entityIsNew}
+            open={dossierOpen}
+            onToggleOpen={() => setDossierOpen((o) => !o)}
+          />
 
           <section className="mode-panel">
             {state.mode === 'wire' && <WirePanel />}
@@ -519,41 +443,10 @@ function ToastCard({ toast, onDismiss }: { toast: Toast; onDismiss: (id: number)
 function WirePanel() {
   const { state } = useSeance()
   const { t } = useTranslation()
-  const tel = state.telemetry
 
   return (
     <div className="wire-panel">
-      <h4 className="panel-title">{t('seance.telemetry.title')}</h4>
-      {tel ? (
-        <div className="telemetry-grid">
-          <div className="tel-row">
-            <span className="tel-key">{t('seance.telemetry.jitter')}</span>
-            <span className="tel-val flicker-soft">
-              {tel.jitter_bytes_per_s.toFixed(1)} {t('seance.telemetry.units.bytes')}
-            </span>
-          </div>
-          <div className="tel-row">
-            <span className="tel-key">{t('seance.telemetry.latencyVar')}</span>
-            <span className="tel-val flicker-soft">
-              {tel.latency_variance_ms.toFixed(2)} {t('seance.telemetry.units.ms')}
-            </span>
-          </div>
-          <div className="tel-row">
-            <span className="tel-key">{t('seance.telemetry.latencyMean')}</span>
-            <span className="tel-val flicker-soft">
-              {tel.latency_mean_ms.toFixed(1)} {t('seance.telemetry.units.ms')}
-            </span>
-          </div>
-          <div className="tel-row">
-            <span className="tel-key">{t('seance.telemetry.dns')}</span>
-            <span className="tel-val flicker-soft">
-              {tel.dns_ms.toFixed(1)} {t('seance.telemetry.units.ms')}
-            </span>
-          </div>
-        </div>
-      ) : (
-        <p className="dim flicker">{t('common.loading')}</p>
-      )}
+      <TelemetryReadout telemetry={state.telemetry} />
       <p className="wire-count">{t('seance.anomaly.count', { count: state.anomalyCount })}</p>
       {!state.passive && (
         <p className="wire-hint dim">