diff --git a/src/hooks/start-work/context-info-builder.ts b/src/hooks/start-work/context-info-builder.ts
index 17642ca73..2fe074429 100644
--- a/src/hooks/start-work/context-info-builder.ts
+++ b/src/hooks/start-work/context-info-builder.ts
@@ -17,12 +17,33 @@ import { createWorktreeActiveBlock } from "./worktree-block"
 import type { PluginInput } from "@opencode-ai/plugin"
 import { HOOK_NAME } from "./start-work-hook"
 
+function normalizePlanLookupValue(value: string): string {
+  return value
+    .trim()
+    .replace(/^["'`]+|["'`]+$/g, "")
+    .toLowerCase()
+    .replace(/[\s_]+/g, "-")
+    .replace(/[^a-z0-9-]+/g, "-")
+    .replace(/-+/g, "-")
+    .replace(/^-+|-+$/g, "")
+}
+
 function findPlanByName(plans: string[], requestedName: string): string | null {
   const lowerName = requestedName.toLowerCase()
+  const normalizedRequestedName = normalizePlanLookupValue(requestedName)
   const exactMatch = plans.find((p) => getPlanName(p).toLowerCase() === lowerName)
   if (exactMatch) return exactMatch
+  const normalizedExactMatch = plans.find((planPath) =>
+    normalizePlanLookupValue(getPlanName(planPath)) === normalizedRequestedName,
+  )
+  if (normalizedExactMatch) return normalizedExactMatch
   const partialMatch = plans.find((p) => getPlanName(p).toLowerCase().includes(lowerName))
-  return partialMatch || null
+  if (partialMatch) return partialMatch
+
+  const normalizedPartialMatch = plans.find((planPath) =>
+    normalizePlanLookupValue(getPlanName(planPath)).includes(normalizedRequestedName),
+  )
+  return normalizedPartialMatch || null
 }
 
 function buildAutoSelectedPlanContext(params: {
diff --git a/src/hooks/start-work/index.test.ts b/src/hooks/start-work/index.test.ts
index 9957b9608..1c1c20ae6 100644
--- a/src/hooks/start-work/index.test.ts
+++ b/src/hooks/start-work/index.test.ts
@@ -415,6 +415,35 @@ You are starting a Sisyphus work session.
       expect(output.parts[0].text).toContain("2026-01-15-feature-implementation")
       expect(output.parts[0].text).toContain("Auto-Selected Plan")
     })
+
+    test("should match quoted human-readable plan names to slugged filenames", async () => {
+      // given - saved plan uses a slugged filename
+      const plansDir = join(testDir, ".sisyphus", "plans")
+      mkdirSync(plansDir, { recursive: true })
+
+      const planPath = join(plansDir, "my-feature-plan.md")
+      writeFileSync(planPath, "# My Feature Plan\n- [ ] Task 1")
+
+      const hook = createStartWorkHook(createMockPluginInput())
+      const output = {
+        parts: [
+          {
+            type: "text",
+            text: createStartWorkPrompt({ userRequest: "\"my feature plan\"" }),
+          },
+        ],
+      }
+
+      // when
+      await hook["chat.message"](
+        { sessionID: "session-123" },
+        output,
+      )
+
+      // then
+      expect(output.parts[0].text).toContain("my-feature-plan")
+      expect(output.parts[0].text).toContain("Auto-Selected Plan")
+    })
   })
 
   describe("session agent management", () => {
@@ -453,7 +482,7 @@ You are starting a Sisyphus work session.
       )
 
       // then
-      expect(output.message.agent).toBe("atlas")
+      expect(output.message.agent).toBe(getAgentListDisplayName("atlas"))
     })
 
     test("should switch to Atlas even when current session is Sisyphus (regression: #3155)", async () => {
@@ -473,7 +502,7 @@ You are starting a Sisyphus work session.
       )
 
       // atlas is registered in beforeEach, so it must be selected
-      expect(output.message.agent).toBe("atlas")
+      expect(output.message.agent).toBe(getAgentListDisplayName("atlas"))
       expect(sessionState.getSessionAgent("ses-sisyphus-to-atlas")).toBe("atlas")
     })
 
@@ -496,7 +525,7 @@ You are starting a Sisyphus work session.
       )
 
       // then
-      expect(output.message.agent).toBe("sisyphus")
+      expect(output.message.agent).toBe("Sisyphus - Ultraworker")
       expect(sessionState.getSessionAgent("ses-prometheus-to-sisyphus")).toBe("sisyphus")
     })
 
@@ -524,7 +553,7 @@ You are starting a Sisyphus work session.
       )
 
       // then
-      expect(output.message.agent).toBe("sisyphus")
+      expect(output.message.agent).toBe("Sisyphus - Ultraworker")
       expect(sessionState.getSessionAgent("ses-prometheus-to-worker")).toBe("sisyphus")
       expect(readBoulderState(testDir)?.agent).toBe("sisyphus")
     })
@@ -559,7 +588,7 @@ You are starting a Sisyphus work session.
       )
 
       // then
-      expect(output.message.agent).toBe("sisyphus")
+      expect(output.message.agent).toBe("Sisyphus - Ultraworker")
       expect(readBoulderState(testDir)?.agent).toBe("sisyphus")
     })
 
@@ -594,7 +623,7 @@ You are starting a Sisyphus work session.
       await atlasHook.handler({ event: { type: "session.idle", properties: { sessionID: "session-123" } } })
 
       // then
-      expect(output.message.agent).toBe("atlas")
+      expect(output.message.agent).toBe(getAgentListDisplayName("atlas"))
       expect(readBoulderState(testDir)?.session_ids).toContain("session-123")
       expect(readBoulderState(testDir)?.agent).toBe("atlas")
       expect(promptAsyncMock).toHaveBeenCalledTimes(1)
@@ -684,7 +713,7 @@ You are starting a Sisyphus work session.
         await firePendingTimers()
 
         // then
-        expect(output.message.agent).toBe("atlas")
+        expect(output.message.agent).toBe(getAgentListDisplayName("atlas"))
         expect(readBoulderState(testDir)?.session_ids).toContain("session-123")
         expect(readBoulderState(testDir)?.agent).toBe("atlas")
         expect(promptAsyncMock).toHaveBeenCalledTimes(1)
diff --git a/src/hooks/start-work/parse-user-request.test.ts b/src/hooks/start-work/parse-user-request.test.ts
index e5d61a4c5..b675faa76 100644
--- a/src/hooks/start-work/parse-user-request.test.ts
+++ b/src/hooks/start-work/parse-user-request.test.ts
@@ -50,6 +50,14 @@ describe("parseUserRequest", () => {
     })
   })
 
+  describe("when plan name is wrapped in quotes", () => {
+    test("#given quoted plan name #when parsing #then strips wrapping quotes", () => {
+      const result = parseUserRequest("<user-request>\"my feature plan\"</user-request>")
+      expect(result.planName).toBe("my feature plan")
+      expect(result.explicitWorktreePath).toBeNull()
+    })
+  })
+
   describe("when --worktree flag has no path", () => {
     test("#given --worktree without path #when parsing #then worktree path is null", () => {
       const result = parseUserRequest("<user-request>--worktree</user-request>")
diff --git a/src/hooks/start-work/parse-user-request.ts b/src/hooks/start-work/parse-user-request.ts
index 627deb67a..0dc56b78c 100644
--- a/src/hooks/start-work/parse-user-request.ts
+++ b/src/hooks/start-work/parse-user-request.ts
@@ -1,5 +1,6 @@
 const KEYWORD_PATTERN = /\b(ultrawork|ulw)\b/gi
 const WORKTREE_FLAG_PATTERN = /--worktree(?:\s+(\S+))?/
+const WRAPPING_QUOTES_PATTERN = /^(["'`])([\s\S]*)\1$/
 
 export interface ParsedUserRequest {
   planName: string | null
@@ -21,9 +22,11 @@ export function parseUserRequest(promptText: string): ParsedUserRequest {
   }
 
   const cleanedArg = rawArg.replace(KEYWORD_PATTERN, "").trim()
+  const quotedPlanMatch = cleanedArg.match(WRAPPING_QUOTES_PATTERN)
+  const normalizedPlanName = quotedPlanMatch ? quotedPlanMatch[2].trim() : cleanedArg
 
   return {
-    planName: cleanedArg || null,
+    planName: normalizedPlanName || null,
     explicitWorktreePath,
   }
 }