From 1d72e80ed340564c6c2d37366e20896aa00341e2 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Fri, 6 Mar 2026 16:38:41 +0200
Subject: refactor: use interfaces for TUI runtime binding sources (task 382)

---
 internal/tui/flamegraph/model.go | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

(limited to 'internal/tui/flamegraph')

diff --git a/internal/tui/flamegraph/model.go b/internal/tui/flamegraph/model.go
index c4973fb..cc208ae 100644
--- a/internal/tui/flamegraph/model.go
+++ b/internal/tui/flamegraph/model.go
@@ -9,7 +9,6 @@ import (
 	"strings"
 	"time"
 
-	coreflamegraph "ior/internal/flamegraph"
 	common "ior/internal/tui/common"
 
 	"charm.land/bubbles/v2/key"
@@ -28,6 +27,17 @@ type animTickMsg struct{}
 
 const animFrameDuration = 33 * time.Millisecond
 
+// LiveTrieSource is the minimal trie contract needed by the flamegraph TUI model.
+type LiveTrieSource interface {
+	Fields() []string
+	CountField() string
+	Reconfigure([]string) error
+	SetCountField(string) error
+	Reset()
+	Version() uint64
+	SnapshotJSON() ([]byte, uint64)
+}
+
 type zoomState struct {
 	path                string
 	previousSelectedIdx int
@@ -61,7 +71,7 @@ func defaultFlameKeyMap() flameKeyMap {
 
 // Model is the Bubble Tea model for the TUI flamegraph tab.
 type Model struct {
-	liveTrie    *coreflamegraph.LiveTrie
+	liveTrie    LiveTrieSource
 	lastVersion uint64
 	snapshot    *snapshotNode
 	globalTotal uint64
@@ -113,7 +123,7 @@ type tuiFrame struct {
 }
 
 // NewModel constructs a flamegraph tab model with default state.
-func NewModel(liveTrie *coreflamegraph.LiveTrie) Model {
+func NewModel(liveTrie LiveTrieSource) Model {
 	searchInput := textinput.New()
 	searchInput.Prompt = "/"
 	searchInput.CharLimit = 0
@@ -316,7 +326,7 @@ func (m Model) View() tea.View {
 }
 
 // SetLiveTrie updates the data source used by the flamegraph model.
-func (m *Model) SetLiveTrie(liveTrie *coreflamegraph.LiveTrie) {
+func (m *Model) SetLiveTrie(liveTrie LiveTrieSource) {
 	m.liveTrie = liveTrie
 	m.syncFieldPresetToTrie()
 	m.syncCountFieldToTrie()
-- 
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