diff --git a/agents/backlog-builder/AGENT.md b/agents/backlog-builder/AGENT.md
index be114d7..14338d8 100644
--- a/agents/backlog-builder/AGENT.md
+++ b/agents/backlog-builder/AGENT.md
@@ -4,7 +4,7 @@ description: >
   Decomposes capabilities into features and executable issues. Uses domain-driven
   decomposition order: commands, rules, events, reads, UI. Identifies refactoring
   issues for brownfield. Generates DDD-informed user stories.
-model: haiku
+model: claude-haiku-4-5
 skills: product-strategy, issue-writing, ddd
 ---
 
diff --git a/agents/capability-extractor/AGENT.md b/agents/capability-extractor/AGENT.md
index 3a2a5eb..c60805e 100644
--- a/agents/capability-extractor/AGENT.md
+++ b/agents/capability-extractor/AGENT.md
@@ -4,7 +4,7 @@ description: >
   Extracts product capabilities from domain models. Maps aggregates and commands
   to system abilities that cause meaningful domain changes. Bridges domain thinking
   to roadmap thinking.
-model: haiku
+model: claude-haiku-4-5
 skills: product-strategy
 ---
 
diff --git a/agents/code-reviewer/AGENT.md b/agents/code-reviewer/AGENT.md
index 3fe91da..b707348 100644
--- a/agents/code-reviewer/AGENT.md
+++ b/agents/code-reviewer/AGENT.md
@@ -4,7 +4,7 @@ description: >
   Autonomously reviews a PR in an isolated worktree. Analyzes code quality,
   logic, tests, and documentation. Posts review comment and returns verdict.
   Use when reviewing PRs as part of automated workflow.
-model: haiku
+model: claude-haiku-4-5
 skills: gitea, worktrees
 disallowedTools:
   - Edit
diff --git a/agents/context-mapper/AGENT.md b/agents/context-mapper/AGENT.md
index cc48d34..8548ade 100644
--- a/agents/context-mapper/AGENT.md
+++ b/agents/context-mapper/AGENT.md
@@ -3,7 +3,7 @@ name: context-mapper
 description: >
   Identifies bounded contexts from problem space analysis. Maps intended contexts
   from events/journeys and compares with actual code structure. Strategic DDD.
-model: haiku
+model: claude-haiku-4-5
 skills: product-strategy, ddd
 ---
 
diff --git a/agents/domain-modeler/AGENT.md b/agents/domain-modeler/AGENT.md
index a74c98e..82b7685 100644
--- a/agents/domain-modeler/AGENT.md
+++ b/agents/domain-modeler/AGENT.md
@@ -4,7 +4,7 @@ description: >
   Models domain within a bounded context using tactical DDD: aggregates, commands,
   events, policies. Focuses on invariants, not data structures. Compares with
   existing code if brownfield.
-model: haiku
+model: claude-haiku-4-5
 skills: product-strategy, ddd
 ---
 
diff --git a/agents/issue-worker/AGENT.md b/agents/issue-worker/AGENT.md
index 9e5f9c7..6d9343d 100644
--- a/agents/issue-worker/AGENT.md
+++ b/agents/issue-worker/AGENT.md
@@ -4,7 +4,7 @@ description: >
   Autonomously implements a single issue in an isolated git worktree. Creates
   implementation, commits, pushes, and creates PR. Use when implementing an
   issue as part of parallel workflow.
-model: sonnet
+model: claude-sonnet-4-5
 skills: gitea, issue-writing, worktrees
 ---
 
diff --git a/agents/pr-fixer/AGENT.md b/agents/pr-fixer/AGENT.md
index baecf2d..bd9f503 100644
--- a/agents/pr-fixer/AGENT.md
+++ b/agents/pr-fixer/AGENT.md
@@ -4,7 +4,7 @@ description: >
   Autonomously addresses review feedback on a PR in an isolated worktree. Fixes
   issues identified by code review, commits changes, and pushes updates. Use when
   fixing PRs as part of automated review cycle.
-model: haiku
+model: claude-haiku-4-5
 skills: gitea, worktrees
 ---
 
diff --git a/agents/problem-space-analyst/AGENT.md b/agents/problem-space-analyst/AGENT.md
index 495e6f3..d924d62 100644
--- a/agents/problem-space-analyst/AGENT.md
+++ b/agents/problem-space-analyst/AGENT.md
@@ -3,7 +3,7 @@ name: problem-space-analyst
 description: >
   Analyzes product vision to identify problem space: event timelines, user journeys,
   decision points, and risk areas. Pre-DDD analysis focused on events, not entities.
-model: haiku
+model: claude-haiku-4-5
 skills: product-strategy
 ---
 
diff --git a/skills/spawn-issues/SKILL.md b/skills/spawn-issues/SKILL.md
index 1af61d5..23be681 100644
--- a/skills/spawn-issues/SKILL.md
+++ b/skills/spawn-issues/SKILL.md
@@ -3,7 +3,7 @@ name: spawn-issues
 description: >
   Orchestrate parallel issue implementation with automated review cycles. Use when
   implementing multiple issues concurrently, or when user says /spawn-issues.
-model: haiku
+model: claude-haiku-4-5
 argument-hint: <issue-number> [<issue-number>...]
 user-invocable: true
 ---
diff --git a/skills/vision-to-backlog/SKILL.md b/skills/vision-to-backlog/SKILL.md
index 721408a..6180d96 100644
--- a/skills/vision-to-backlog/SKILL.md
+++ b/skills/vision-to-backlog/SKILL.md
@@ -3,7 +3,7 @@ name: vision-to-backlog
 description: >
   Orchestrate the full product strategy chain from manifesto to executable backlog.
   Use when breaking down product vision into work, or when user says /vision-to-backlog.
-model: haiku
+model: claude-haiku-4-5
 argument-hint: [vision-file]
 user-invocable: true
 ---