diff --git a/.claude/skills/adr-writer/SKILL.md b/.claude/skills/adr-writer/SKILL.md
index 10df1015..fc84a417 100644
--- a/.claude/skills/adr-writer/SKILL.md
+++ b/.claude/skills/adr-writer/SKILL.md
@@ -2,7 +2,7 @@
 name: adr-writer
 description: "Write effective Architecture Decision Records. Use when: (1) Creating a new ADR, (2) Recording a design decision, (3) User mentions ADR, decision, trade-off, or alternatives"
 allowed-tools: Read, Write, Edit, Bash, Glob, Grep, TodoWrite
-argument-hint: [optional ADR topic]
+argument-hint: "[optional ADR topic]"
 ---
 
 # ADR Writer
diff --git a/.claude/skills/commit/SKILL.md b/.claude/skills/commit/SKILL.md
index 7758b264..a623d000 100644
--- a/.claude/skills/commit/SKILL.md
+++ b/.claude/skills/commit/SKILL.md
@@ -2,7 +2,7 @@
 name: commit
 description: "Commit changes with govctl integration — check work item status, preserve durable notes only when needed, and run govctl check"
 allowed-tools: Read, Write, Edit, Bash, Glob, Grep, TodoWrite
-argument-hint: [optional commit message hint]
+argument-hint: "[optional commit message hint]"
 ---
 
 # /commit — Commit with Govctl Integration
diff --git a/.claude/skills/detach/SKILL.md b/.claude/skills/detach/SKILL.md
index 4f0e8c48..a6cc825e 100644
--- a/.claude/skills/detach/SKILL.md
+++ b/.claude/skills/detach/SKILL.md
@@ -2,7 +2,7 @@
 name: detach
 description: "Remove govctl governance from a project. Archives artifacts, removes skills/agents, strips code references. Use when: (1) User wants to stop using govctl, (2) User mentions detach, opt-out, remove governance, or uninstall"
 allowed-tools: Read, Write, Edit, Bash, Glob, Grep, TodoWrite
-argument-hint: [optional scope hint]
+argument-hint: "[optional scope hint]"
 ---
 
 # /detach — Remove govctl Governance
diff --git a/.claude/skills/guard-writer/SKILL.md b/.claude/skills/guard-writer/SKILL.md
index 7ee50c6b..c95ccf92 100644
--- a/.claude/skills/guard-writer/SKILL.md
+++ b/.claude/skills/guard-writer/SKILL.md
@@ -2,7 +2,7 @@
 name: guard-writer
 description: "Write well-structured Verification Guards. Use when: (1) Creating a new guard, (2) Editing guard check commands or patterns, (3) User mentions guard, verification, or check"
 allowed-tools: Read, Write, Edit, Bash, Glob, Grep, TodoWrite
-argument-hint: [optional guard topic]
+argument-hint: "[optional guard topic]"
 ---
 
 # Guard Writer
diff --git a/.claude/skills/init/SKILL.md b/.claude/skills/init/SKILL.md
index 4994f7dc..f8283aab 100644
--- a/.claude/skills/init/SKILL.md
+++ b/.claude/skills/init/SKILL.md
@@ -2,7 +2,7 @@
 name: init
 description: "Set up govctl in the current project. Installs the binary if missing, initializes governance structure."
 allowed-tools: Read, Write, Edit, Bash, Glob, Grep, TodoWrite
-argument-hint: [optional setup scope]
+argument-hint: "[optional setup scope]"
 ---
 
 # /init - Set Up Govctl
diff --git a/.claude/skills/migrate/SKILL.md b/.claude/skills/migrate/SKILL.md
index 77ccc718..6653c606 100644
--- a/.claude/skills/migrate/SKILL.md
+++ b/.claude/skills/migrate/SKILL.md
@@ -2,7 +2,7 @@
 name: migrate
 description: "Adopt govctl in an existing project. Discovers undocumented decisions, backfills ADRs/RFCs, annotates source code. Use when: (1) Project has no governance yet, (2) User mentions migrate, adopt, onboard, or brownfield"
 allowed-tools: Read, Write, Edit, Bash, Glob, Grep, TodoWrite
-argument-hint: [optional scope hint, e.g. "focus on database decisions"]
+argument-hint: '[optional scope hint, e.g. "focus on database decisions"]'
 ---
 
 # /migrate — Adopt govctl in an Existing Project
diff --git a/.claude/skills/rfc-writer/SKILL.md b/.claude/skills/rfc-writer/SKILL.md
index 4785d331..8857b6ef 100644
--- a/.claude/skills/rfc-writer/SKILL.md
+++ b/.claude/skills/rfc-writer/SKILL.md
@@ -2,7 +2,7 @@
 name: rfc-writer
 description: "Write well-structured RFCs with normative clauses. Use when: (1) Creating a new RFC, (2) Adding or editing RFC clauses, (3) User mentions RFC, specification, or normative requirements"
 allowed-tools: Read, Write, Edit, Bash, Glob, Grep, TodoWrite
-argument-hint: [optional RFC topic]
+argument-hint: "[optional RFC topic]"
 ---
 
 # RFC Writer
diff --git a/.claude/skills/wi-writer/SKILL.md b/.claude/skills/wi-writer/SKILL.md
index d2a839a9..ee13e695 100644
--- a/.claude/skills/wi-writer/SKILL.md
+++ b/.claude/skills/wi-writer/SKILL.md
@@ -2,7 +2,7 @@
 name: wi-writer
 description: "Write well-structured work items with proper acceptance criteria. Use when: (1) Creating work items, (2) Adding acceptance criteria, (3) User mentions work item, task, WI, or ticket"
 allowed-tools: Read, Write, Edit, Bash, Glob, Grep, TodoWrite
-argument-hint: [optional work-item topic]
+argument-hint: "[optional work-item topic]"
 ---
 
 # Work Item Writer