diff --git a/fusion_plating/fusion_plating_jobs/models/fp_job.py b/fusion_plating/fusion_plating_jobs/models/fp_job.py
index 9810a39b..311a0a64 100644
--- a/fusion_plating/fusion_plating_jobs/models/fp_job.py
+++ b/fusion_plating/fusion_plating_jobs/models/fp_job.py
@@ -576,6 +576,22 @@ class FpJob(models.Model):
             'context': {'default_job_id': self.id},
         }
 
+    def action_open_workspace(self):
+        """Open the JobWorkspace OWL client action focused on this job.
+
+        Spec: 2026-05-22-shopfloor-tablet-redesign — Phase 1 deliverable.
+        Used as the smart-button entry point before the Landing kanban
+        (Phase 3) is shipped, and stays as a back-office shortcut after.
+        """
+        self.ensure_one()
+        return {
+            'type': 'ir.actions.client',
+            'tag': 'fp_job_workspace',
+            'name': self.display_wo_name or self.name,
+            'params': {'job_id': self.id},
+            'target': 'current',
+        }
+
     def action_finish_current_step(self):
         """Steelhead-style header button: finish whatever's currently
         in_progress and auto-start the next pending/ready step. If
diff --git a/fusion_plating/fusion_plating_jobs/views/fp_job_form_inherit.xml b/fusion_plating/fusion_plating_jobs/views/fp_job_form_inherit.xml
index 8b76e959..63946950 100644
--- a/fusion_plating/fusion_plating_jobs/views/fp_job_form_inherit.xml
+++ b/fusion_plating/fusion_plating_jobs/views/fp_job_form_inherit.xml
@@ -20,6 +20,15 @@
         <field name="inherit_id" ref="fusion_plating.view_fp_job_form"/>
         <field name="arch" type="xml">
             <xpath expr="//header" position="inside">
+                <!-- Phase 1 — Tablet redesign. Opens the JobWorkspace OWL
+                     client action focused on this WO. Primary entry point
+                     for techs before the Landing kanban (Phase 3) ships;
+                     stays as a back-office shortcut after. -->
+                <button name="action_open_workspace" type="object"
+                        string="Open Workspace"
+                        class="btn-primary"
+                        icon="fa-tablet"
+                        invisible="state == 'draft'"/>
                 <button name="action_open_process_tree" type="object"
                         string="Process Tree"
                         class="btn-secondary"