Add DSH to the agent roster and Install > AI

Official npm @deepseek-ai/dsh (bin: dsh) rides the mise path like Dim.
dsh has no TUI, so the interactive launch is the documented 'dsh web'
and one-shot prompts use 'dsh --profile headless'. Auth is dsh-managed,
so it stays out of the AI Hub registry.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019hLK3wsDuKVAC37GgDqg6H

bin/omarchy-agent

@@ -115,6 +115,14 @@ dim)
     command=(dim)
   fi
   ;;
+dsh)
+  # dsh has no TUI: `dsh web` is the interactive form, headless the one-shot
+  if [[ -n ${prompt:-} ]]; then
+    command=(dsh --profile headless "$prompt")
+  else
+    command=(dsh web)
+  fi
+  ;;
 *)
   echo "Unsupported default agent: $agent" >&2
   exit 1

bin/omarchy-default-agent

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # omarchy:summary=Set and launch the default coding agent
-# omarchy:args=[pi|omp|opencode|ori|claude|codex|grok|agy|copilot|crush|kimi|deepcode|dim]
+# omarchy:args=[pi|omp|opencode|ori|claude|codex|grok|agy|copilot|crush|kimi|deepcode|dim|dsh]
 # omarchy:examples=omarchy default agent | omarchy default agent codex | omarchy default agent kimi
 
 installing=false
@@ -37,8 +37,9 @@ copilot | github-copilot) agent="copilot"; name="GitHub Copilot" ;;
 kimi | kimi-code) agent="kimi"; name="Kimi Code" ;;
 deepcode | deep-code) agent="deepcode"; name="Deep Code"; agent_package="npm:@vegamo/deepcode-cli" ;;
 dim | dimcode | dim-agent) agent="dim"; name="Dim Agent"; agent_package="npm:dimcode" ;;
+dsh | deepseek-harness) agent="dsh"; name="DSH"; agent_package="npm:@deepseek-ai/dsh" ;;
 *)
-  echo "Usage: omarchy-default-agent <pi|omp|opencode|ori|claude|codex|grok|agy|copilot|crush|kimi|deepcode|dim>"
+  echo "Usage: omarchy-default-agent <pi|omp|opencode|ori|claude|codex|grok|agy|copilot|crush|kimi|deepcode|dim|dsh>"
   exit 1
   ;;
 esac

default/omarchy/omarchy-menu.jsonc

@@ -142,6 +142,7 @@
   "setup.default.agent.crush": {"icon":"󰋑","label":"Crush","checked":"[[ \"$(omarchy-default-agent)\" == \"crush\" ]]","action":"omarchy-default-agent crush"},
   "setup.default.agent.deepcode": {"icon":"󱚤","label":"Deep Code","checked":"[[ \"$(omarchy-default-agent)\" == \"deepcode\" ]]","action":"omarchy-default-agent deepcode"},
   "setup.default.agent.dim": {"icon":"󱚤","label":"Dim Agent","checked":"[[ \"$(omarchy-default-agent)\" == \"dim\" ]]","action":"omarchy-default-agent dim"},
+  "setup.default.agent.dsh": {"icon":"󱚤","label":"DSH","checked":"[[ \"$(omarchy-default-agent)\" == \"dsh\" ]]","action":"omarchy-default-agent dsh"},
   "setup.default.agent.grok": {"icon":"","iconFont":"omarchy","label":"Grok","checked":"[[ \"$(omarchy-default-agent)\" == \"grok\" ]]","action":"omarchy-default-agent grok"},
   "setup.default.agent.kimi": {"icon":"󱚤","label":"Kimi Code","checked":"[[ \"$(omarchy-default-agent)\" == \"kimi\" ]]","action":"omarchy-default-agent kimi"},
   "setup.default.agent.omp": {"icon":"","iconFont":"omarchy","label":"omp","checked":"[[ \"$(omarchy-default-agent)\" == \"omp\" ]]","action":"omarchy-default-agent omp"},
@@ -244,6 +245,7 @@
   "install.ai.deep-code": {"icon":"󱚤","label":"Deep Code","disabled":"omarchy-cmd-present deepcode","action":"omarchy-launch-floating-terminal-with-presentation 'omarchy-mise-install npm:@vegamo/deepcode-cli deepcode && deepcode'"},
   "install.ai.dictation": {"icon":"","label":"语音听写","disabled":"omarchy-pkg-present voxtype-bin","action":"omarchy-launch-floating-terminal-with-presentation omarchy-voxtype-install"},
   "install.ai.dim": {"icon":"󱚤","label":"Dim Agent","disabled":"omarchy-cmd-present dim","action":"omarchy-launch-floating-terminal-with-presentation 'omarchy-mise-install npm:dimcode dim && dim'"},
+  "install.ai.dsh": {"icon":"󱚤","label":"DSH","disabled":"omarchy-cmd-present dsh","action":"omarchy-launch-floating-terminal-with-presentation 'omarchy-mise-install npm:@deepseek-ai/dsh dsh && dsh web'"},
   "install.ai.grok-bot": {"icon":"","iconFont":"omarchy","label":"Grok Bot","disabled":"omarchy-pkg-present grok-bot","action":"omarchy-install-and-launch 'Grok Bot' grok-bot grok-bot"},
   "install.ai.kimi-code": {"icon":"󱚤","label":"Kimi Code","disabled":"omarchy-cmd-present kimi","action":"omarchy-launch-floating-terminal-with-presentation 'omarchy-cn-kimi-install && kimi'"},
   "install.ai.lm-studio": {"icon":"","iconFont":"omarchy","label":"LM Studio","disabled":"omarchy-pkg-present lmstudio-bin","action":"omarchy-install-app 'LM Studio' lmstudio-bin"},

test/shell.d/menu-test.sh

@@ -248,7 +248,7 @@ assertDeepEqual(
   defaultItems
     .filter(item => item.parent === 'setup.default.agent')
     .map(item => item.label),
-  ['Antigravity', 'Claude', 'Codex', 'Copilot', 'Crush', 'Deep Code', 'Dim Agent', 'Grok', 'Kimi Code', 'omp', 'OpenCode', 'Ori', 'Pi', '国产模型组合 (AI Hub)'],
+  ['Antigravity', 'Claude', 'Codex', 'Copilot', 'Crush', 'Deep Code', 'Dim Agent', 'DSH', 'Grok', 'Kimi Code', 'omp', 'OpenCode', 'Ori', 'Pi', '国产模型组合 (AI Hub)'],
   'menu sorts coding agents alphabetically'
 )
 const expectedDefaults = {