test: trim implementation-coupled bats tests, strengthen statusline (DOT-45)

tests/template/agent-instructions.bats

@@ -16,15 +16,6 @@ CLAUDE_TEMPLATE="$DOTFILES_ROOT/home/dot_claude/CLAUDE.md.tmpl"
   assert_line 'Use `gh` CLI for all GitHub interactions. Never clone repositories to read code.'
 }
 
-@test "agent instruction templates use markdown template source" {
-  [ -f "$DOTFILES_ROOT/home/.chezmoitemplates/AGENTS.md" ]
-  [ ! -e "$DOTFILES_ROOT/home/.chezmoidata/agents.yaml" ]
-
-  claude_template="$(<"$CLAUDE_TEMPLATE")"
-
-  [[ "$claude_template" == *'{{ template "AGENTS.md" . -}}'* ]]
-}
-
 @test "agent instruction templates render Graphify guidance" {
   run render_chezmoi_template "$CLAUDE_TEMPLATE"
 

tests/template/darwin-install-scripts.bats

@@ -29,18 +29,6 @@ AI_MCP_TEMPLATE="$DOTFILES_ROOT/home/.chezmoiscripts/darwin/run_onchange_08_inst
   assert_file_contains "$DOTFILES_ROOT/home/.chezmoiscripts/darwin/run_onchange_05_defaults.sh.tmpl" '{{ template "lib/darwin/defaults.sh" . }}'
 }
 
-@test "darwin install script templates inject Graphify shell library" {
-  assert_file_contains "$GRAPHIFY_TEMPLATE" '{{ template "lib/install/graphify-skills.sh" . }}'
-}
-
-@test "darwin install script templates inject AI skills shell library" {
-  assert_file_contains "$AI_SKILLS_TEMPLATE" '{{ template "lib/install/ai-skills.sh" . }}'
-}
-
-@test "darwin install script templates inject AI plugins shell library" {
-  assert_file_contains "$AI_PLUGINS_TEMPLATE" '{{ template "lib/install/ai-plugins.sh" . }}'
-}
-
 @test "darwin install script templates inject the install prelude" {
   local prelude='{{ template "lib/common/install-prelude.sh" . }}'
   assert_file_contains "$DOTFILES_ROOT/home/.chezmoiscripts/darwin/run_once_01_install-homebrew.sh.tmpl" "$prelude"
@@ -206,10 +194,6 @@ AI_MCP_TEMPLATE="$DOTFILES_ROOT/home/.chezmoiscripts/darwin/run_onchange_08_inst
   refute_line --partial 'ai_plugins_install_main'
 }
 
-@test "darwin install script templates inject AI MCP shell library" {
-  assert_file_contains "$AI_MCP_TEMPLATE" '{{ template "lib/install/ai-mcp.sh" . }}'
-}
-
 @test "darwin install script templates inject the prelude before AI MCP" {
   local prelude
   prelude='{{ template "lib/common/install-prelude.sh" . }}'

tests/template/mise-config.bats

@@ -14,14 +14,6 @@ MISE_TEMPLATE="$DOTFILES_ROOT/home/dot_config/mise/config.toml.tmpl"
   assert_line '"github:microsoft/apm" = "latest"'
 }
 
-@test "mise config renders tools from mise data groups" {
-  [ -f "$DOTFILES_ROOT/home/.chezmoidata/mise.yaml" ]
-
-  template_content="$(<"$MISE_TEMPLATE")"
-
-  [[ "$template_content" == *'$.mise.tools'* ]]
-}
-
 @test "mise config installs Linear CLI for personal hosts" {
   run render_chezmoi_template "$MISE_TEMPLATE" "$PERSONAL_DATA"
 

tests/unit/claude-settings.bats

@@ -6,13 +6,10 @@ load '../test_helpers/load.bash'
 
 SETTINGS="$DOTFILES_ROOT/home/dot_claude/settings.json"
 
-@test "claude settings use current model aliases" {
+@test "claude settings pin the model alias" {
   settings_content="$(<"$SETTINGS")"
 
   [[ "$settings_content" == *'"model": "best"'* ]]
-  [[ "$settings_content" != *'ANTHROPIC_DEFAULT_OPUS_MODEL'* ]]
-  [[ "$settings_content" != *'ANTHROPIC_DEFAULT_SONNET_MODEL'* ]]
-  [[ "$settings_content" != *'ANTHROPIC_DEFAULT_HAIKU_MODEL'* ]]
 }
 
 @test "claude settings keep destructive bash commands gated" {

tests/unit/lib/common/log.bats

@@ -21,12 +21,6 @@ LIB="$DOTFILES_ROOT/home/.chezmoitemplates/lib/common/log.sh"
   assert_output 'hello world'
 }
 
-@test "log_info: empty message produces a single newline" {
-  run sh -c ". '$LIB' && log_info ''"
-  assert_success
-  assert_output ''
-}
-
 @test "log_info: stays on stdout, not stderr" {
   run sh -c ". '$LIB' && log_info 'on-stdout' 2>/dev/null"
   assert_success

tests/unit/statusline.bats

@@ -22,16 +22,17 @@ FIXTURES="$DOTFILES_ROOT/tests/fixtures/statusline"
 @test "renders full payload: effort segment when .effort.level is present" {
   run sh "$STATUSLINE" < "$FIXTURES/full-payload.json"
   assert_success
-  assert_line --partial 'max'
+  assert_line --partial '💪 max'
 }
 
 @test "minimal payload: succeeds and omits rate-limit / cost / effort segments" {
-  run sh "$STATUSLINE" < "$FIXTURES/minimal.json"
+  run env -u CLAUDE_CODE_EFFORT_LEVEL sh "$STATUSLINE" < "$FIXTURES/minimal.json"
   assert_success
   assert_line --partial 'Sonnet 4.6'
   assert_line --partial '5%'
   refute_line --partial '5h'
   refute_line --partial '$'
+  refute_line --partial '💪'
 }
 
 @test "worktree fixture: surfaces the worktree name segment" {