// The style guide for our process DSL, written in the DSL itself
// Node type examples with their shapes
subgraph cluster_node_types {
label="NODE TYPES AND SHAPES";
// Questions are diamonds
"Is this a question?" [shape=diamond];
// Actions are boxes (default)
"Take an action" [shape=box];
// Commands are plaintext
"git commit -m 'msg'" [shape=plaintext];
"Current state" [shape=ellipse];
"STOP: Critical warning" [shape=octagon, style=filled, fillcolor=red, fontcolor=white];
// Entry/exit are double circles
"Process starts" [shape=doublecircle];
"Process complete" [shape=doublecircle];
"Is test passing?" [shape=diamond];
"Write test first" [shape=box];
"npm test" [shape=plaintext];
"I am stuck" [shape=ellipse];
"NEVER use git add -A" [shape=octagon, style=filled, fillcolor=red, fontcolor=white];
// Edge naming conventions
subgraph cluster_edge_types {
"Binary decision?" [shape=diamond];
"Binary decision?" -> "Yes path" [label="yes"];
"Binary decision?" -> "No path" [label="no"];
"Multiple choice?" [shape=diamond];
"Multiple choice?" -> "Option A" [label="condition A"];
"Multiple choice?" -> "Option B" [label="condition B"];
"Multiple choice?" -> "Option C" [label="otherwise"];
"Process A done" [shape=doublecircle];
"Process B starts" [shape=doublecircle];
"Process A done" -> "Process B starts" [label="triggers", style=dotted];
subgraph cluster_naming_patterns {
// Actions start with verb
// States describe situation
// Process structure template
subgraph cluster_structure {
label="PROCESS STRUCTURE TEMPLATE";
"Trigger: Something happens" [shape=ellipse];
"Initial check?" [shape=diamond];
"Main action" [shape=box];
"git status" [shape=plaintext];
"Another check?" [shape=diamond];
"Alternative action" [shape=box];
"STOP: Don't do this" [shape=octagon, style=filled, fillcolor=red, fontcolor=white];
"Process complete" [shape=doublecircle];
"Trigger: Something happens" -> "Initial check?";
"Initial check?" -> "Main action" [label="yes"];
"Initial check?" -> "Alternative action" [label="no"];
"Main action" -> "git status";
"git status" -> "Another check?";
"Another check?" -> "Process complete" [label="ok"];
"Another check?" -> "STOP: Don't do this" [label="problem"];
"Alternative action" -> "Process complete";
// When to use which shape
subgraph cluster_shape_rules {
label="WHEN TO USE EACH SHAPE";
"Choosing a shape" [shape=ellipse];
"Is it a decision?" [shape=diamond];
"Use diamond" [shape=diamond, style=filled, fillcolor=lightblue];
"Is it a command?" [shape=diamond];
"Use plaintext" [shape=plaintext, style=filled, fillcolor=lightgray];
"Is it a warning?" [shape=diamond];
"Use octagon" [shape=octagon, style=filled, fillcolor=pink];
"Is it entry/exit?" [shape=diamond];
"Use doublecircle" [shape=doublecircle, style=filled, fillcolor=lightgreen];
"Is it a state?" [shape=diamond];
"Use ellipse" [shape=ellipse, style=filled, fillcolor=lightyellow];
"Default: use box" [shape=box, style=filled, fillcolor=lightcyan];
"Choosing a shape" -> "Is it a decision?";
"Is it a decision?" -> "Use diamond" [label="yes"];
"Is it a decision?" -> "Is it a command?" [label="no"];
"Is it a command?" -> "Use plaintext" [label="yes"];
"Is it a command?" -> "Is it a warning?" [label="no"];
"Is it a warning?" -> "Use octagon" [label="yes"];
"Is it a warning?" -> "Is it entry/exit?" [label="no"];
"Is it entry/exit?" -> "Use doublecircle" [label="yes"];
"Is it entry/exit?" -> "Is it a state?" [label="no"];
"Is it a state?" -> "Use ellipse" [label="yes"];
"Is it a state?" -> "Default: use box" [label="no"];
subgraph cluster_examples {
label="GOOD VS BAD EXAMPLES";
// Good: specific and shaped correctly
"Test failed" [shape=ellipse];
"Read error message" [shape=box];
"Can reproduce?" [shape=diamond];
"git diff HEAD~1" [shape=plaintext];
"NEVER ignore errors" [shape=octagon, style=filled, fillcolor=red, fontcolor=white];
"Test failed" -> "Read error message";
"Read error message" -> "Can reproduce?";
"Can reproduce?" -> "git diff HEAD~1" [label="yes"];
// Bad: vague and wrong shapes
bad_1 [label="Something wrong", shape=box]; // Should be ellipse (state)
bad_2 [label="Fix it", shape=box]; // Too vague
bad_3 [label="Check", shape=box]; // Should be diamond
bad_4 [label="Run command", shape=box]; // Should be plaintext with actual command