feat: add dedicated Profile management page

internal/tui/presentation.go

@@ -53,26 +53,29 @@ func defaultModelOptions() modelOptions {
 }
 
 type presentationState struct {
-	snapshot          app.Snapshot
-	page              page
-	width             int
-	height            int
-	selected          int
-	selectedTargetID  string
-	dashboardFocus    dashboardPane
-	showUnavailable   bool
-	detailsOffset     int
-	form              formState
-	confirm           bool
-	confirmation      *app.Confirmation
-	status            string
-	operationStatus   app.OperationStatus
-	currentError      *operationError
-	errorExpanded     bool
-	errorOffset       int
-	exitDeferred      bool
-	operationActive   bool
-	operationProgress map[string]app.TargetProgressPhase
+	snapshot           app.Snapshot
+	page               page
+	width              int
+	height             int
+	selected           int
+	profileOffset      int
+	profileDetails     int
+	profileDelete      *profileDeleteConfirmation
+	selectedTargetID   string
+	dashboardFocus     dashboardPane
+	showUnavailable    bool
+	detailsOffset      int
+	form               formState
+	confirmation       *app.Confirmation
+	confirmationDialog *confirmationDialog
+	status             string
+	operationStatus    app.OperationStatus
+	currentError       *operationError
+	errorExpanded      bool
+	errorOffset        int
+	exitDeferred       bool
+	operationActive    bool
+	operationProgress  map[string]app.TargetProgressPhase
 }
 
 // terminalPresentation is the terminal-presentation Module. Application
@@ -92,6 +95,8 @@ type terminalPage struct {
 	statusExpanded bool
 	statusOffset   int
 	focusLine      int
+	primaryOffset  int
+	contextOffset  int
 	dashboard      *dashboardRenderState
 }
 
@@ -208,7 +213,7 @@ func (p terminalPresentation) renderShell(page terminalPage, width, height int)
 
 func renderPageBody(page terminalPage, width, height int) string {
 	if page.context == "" || height < 5 {
-		return viewportContent(page.primary, width, height, page.focusLine)
+		return viewportContentAt(page.primary, width, height, page.primaryOffset, page.focusLine)
 	}
 
 	contextHeight := min(lineCount(page.context), max(3, height/2))
@@ -217,20 +222,30 @@ func renderPageBody(page terminalPage, width, height int) string {
 		primaryHeight = 1
 		contextHeight = max(1, height-primaryHeight-1)
 	}
-	primary := viewportContent(page.primary, width, primaryHeight, page.focusLine)
-	context := viewportContent(page.context, width, contextHeight, 0)
+	primary := viewportContentAt(page.primary, width, primaryHeight, page.primaryOffset, page.focusLine)
+	context := viewportContentAt(page.context, width, contextHeight, page.contextOffset, -1)
 	return primary + "\n\n" + context
 }
 
 func viewportContent(content string, width, height, focusLine int) string {
+	return viewportContentAt(content, width, height, 0, focusLine)
+}
+
+func viewportContentAt(content string, width, height, offset, focusLine int) string {
 	if content == "" || width <= 0 || height <= 0 {
 		return ""
 	}
 	view := viewport.New(width, height)
 	view.SetContent(strings.TrimRight(content, "\n"))
-	if focusLine >= height {
-		view.SetYOffset(focusLine - height + 1)
+	top := max(0, offset)
+	if focusLine >= 0 {
+		if focusLine < top {
+			top = focusLine
+		} else if focusLine >= top+height {
+			top = focusLine - height + 1
+		}
 	}
+	view.SetYOffset(top)
 	return view.View()
 }