Persist and replay subagent progress across sessions

Record durable child-turn metadata, restore bounded progress cards during
startup replay, and keep settled cards attached to transcript entries. Add
workflow-local Lua profiles and expose discovered agents and workflows in the
session header.

1 files changed, 28 insertions, 1 deletions

diff --git a/spec/test_toml_workflows.lua b/spec/test_toml_workflows.lua
index 8ae2cac..4755b8e 100644
--- a/spec/test_toml_workflows.lua
+++ b/spec/test_toml_workflows.lua
@@ -11,6 +11,7 @@
 
 local fake = require("spec.fake_ext")
 local paths = require("subagents.paths")
+local progress = require("subagents.progress")
 local toml_workflows = require("subagents.toml_workflows")
 
 local function has(text, needle)
@@ -384,9 +385,25 @@ return {
         end)
     end },
 
-    { "the tool runs a transient definition", function()
+    { "the tool runs a transient definition and presents each child prompt only when expanded", function()
         with_host(function(handle, profiles)
             handle.queue_for("alpha", { output = "transient output" })
+            progress.reset()
+            local component
+            progress.claim({
+                id = "workflow-call",
+                tool_name = "subagents.workflow",
+                collapsed = true,
+                set_component = function(_, value)
+                    component = value
+                    return {
+                        invalidate = function() end,
+                        alive = function() return true end,
+                        set_pinned = function() end,
+                    }
+                end,
+            })
+            progress.bind({ tool_call_id = "workflow-call" })
             local text = toml_workflows.handle({
                 prompt = "the input",
                 steps = { { id = "only", agent = "alpha", prompt = "Do it." } },
@@ -394,11 +411,21 @@ return {
             has(text, "step: only")
             has(text, "transient output")
             has(handle.spawns[1].prompt, "Do it.\n\n## Workflow input\n\nthe input")
+            local compact = table.concat(component:render(100), "\n")
+            assert(not compact:find("Do it.", 1, true), compact)
+            assert(not compact:find("the input", 1, true), compact)
+            progress.collapse({ collapsed = false })
+            local expanded = table.concat(component:render(100), "\n")
+            has(expanded, "prompt: Do it.")
+            has(expanded, "## Workflow input")
+            has(expanded, "the input")
+            assert(not expanded:find("system prompt:", 1, true), expanded)
 
             has(toml_workflows.handle({
                 prompt = "x",
                 steps = { { id = "only", agent = "alpha", prompt = "p", needs = { "ghost" } } },
             }, profiles), "unknown dependency 'ghost'")
+            progress.reset()
         end)
     end },
 }