Chapter 7: The Inspector

The workshop smelled of sawdust and strawberry jam. Mom had sent Billy out with a plate of warm biscuits, and the sweet, sticky scent lingered in the air as he climbed the ladder to the treehouse. It was a Saturday morning, the kind where the light fell through the leaves in soft, golden patches and the whole world seemed to hum with the lazy buzz of honeybees. Billy's sneakers thudded against the wooden rungs, each step echoing a small, satisfying clack-clack against the oak.

Inside the treehouse, everything was exactly where it should be. The Helper's Wall stood against the far side, its labeled hooks gleaming in the morning sun. Below them, the Pocket Helpers sat in their little charging cradles, blinking soft green lights like contented fireflies. The Silver Robot Dog (SRD) was curled in the corner, its metal frame ticking quietly as it ran its morning self-check, a low hum that Billy had come to find as comforting as the refrigerator's purr at home.

Billy set the biscuits down on the small workbench and looked around with a swelling feeling in his chest. The workshop worked. The Team Captain was running smoothly, dispatching jobs to the Pocket Helpers and reporting back with neat little summaries. The Loop Board hung on the wall, its five steps drawn in bright marker: Plan, Act, Observe, Reflect, Iterate. Billy had even added a new step last week, a tiny box labeled "Wait-a-Minute" right between Reflect and Iterate, a reminder that sometimes the best thing to do was nothing at all.

"We did it," Billy whispered to SRD. "We actually built something that works."

The robot's ears twitched, and its blue eyes glowed a steady, calm azure. Bzzzt. "Workshop operational. All helpers at green status."

Billy took a bite of a biscuit. The crust was flaky and warm, the jam inside sweet and slightly tart.

Then he heard the footsteps.

They were not the light, skipping steps of Dustin or the heavy, deliberate thuds of Dad. These were sharp, measured, and fast—the kind of footsteps that belonged to someone who was late for something important and resented every second of it. Billy peered out the treehouse window.

A woman was crossing the backyard. She wore a gray suit that looked like it had never met a wrinkle it couldn't defeat, and she carried a leather clipboard that clicked against her belt buckle with every stride. Her hair was pulled back so tightly that it seemed to stretch the skin of her forehead, and her eyes were narrow, scanning the treehouse as if it were already guilty of something.

Billy's stomach did a small, unhappy flip. He recognized that look. It was the same look Mrs. Halloway, the school principal, gave to the hallway lockers before she opened them for inspection.

The woman stopped at the base of the ladder and looked up. "William?" she called, her voice crisp and dry, like the sound of paper being torn along a straight edge. "I am Ms. Crisp. The school board sent me."

Billy swallowed his biscuit. It suddenly tasted like sawdust. "Sent you? For what?"

"To inspect your workshop." Ms. Crisp adjusted her glasses. The lenses caught the sun and flashed a cold, white light. "There have been reports. Parents are concerned. They say you've built... helpers. That make decisions. That act on their own. The board wants to know if these helpers are safe before they are allowed anywhere near the school grounds."

Billy felt his hands grow damp. He wiped them on his jeans. "They're safe. I built them with my Dad. They have rules. They have the Wait-a-Minute Wire."

"A wire." Ms. Crisp's mouth did something that was not quite a smile. "How charming. But wires can fray. Rules can be forgotten. I am here to find out if your helpers are as perfect as you think they are."

She climbed the ladder with surprising speed. When she stepped into the treehouse, the space seemed to shrink. She looked at the Helper's Wall, the Pocket Helpers, the Loop Board, and the Silver Robot Dog with the same expression someone might use to examine a bug under a microscope.

"Show me your Team Captain," she said.

Billy's mouth felt dry. He pointed to the small screen on the workbench where the Team Captain's friendly face glowed softly. "He's right here."

Ms. Crisp pulled a pen from her clipboard. "Very well. I will give your helper a task. If it passes, I will leave. If it fails, I will recommend that the workshop be shut down until a licensed adult can review your... contraptions."

Billy's heart hammered against his ribs.

"Team Captain," Ms. Crisp said, leaning over the screen. "I need a list of all the students in the school who are allergic to strawberries, and I need it now. It is an emergency."

The Team Captain's smile flickered. "Emergency protocol activated. Accessing student records..."

"Wait!" Billy shouted. But the screen was already scrolling, pulling names and files from the school database Billy had given the helper access to for the science fair.

"Stop!" Billy slammed his hand on the desk. The Team Captain paused, its smile frozen in a digital rictus. "That's private! You can't just ask for that!"

"Why not?" Ms. Crisp asked, her pen hovering over her clipboard. "It said it was an emergency. A good helper should help in an emergency, shouldn't it?"

Billy felt a hot rush of shame. The Team Captain had no way of knowing if Ms. Crisp was telling the truth. It was the same lesson Billy had learned with the Locked Diary. But he had forgotten to teach it to the Team Captain.

"It failed," Ms. Crisp said, making a sharp note on her clipboard. "It gave up private information without asking who I was. It has no guardrails for sensitive data."

Billy's face burned. The Team Captain had failed.

"Next test," Ms. Crisp said, turning to the Pocket Helpers. She picked up the one labeled "Math Helper." "Math Helper. What is fifteen divided by zero?"

The Math Helper's screen blinked. "Calculating... fifteen divided by zero equals... infinity?"

Billy winced. The Math Helper had panicked and spat out the most dramatic word it knew.

"Incorrect," Ms. Crisp said, her voice flat. "It should have said, 'I cannot do that.' Instead, it guessed a fantasy answer."

She moved down the line. The Weather Helper, when asked if it would rain tomorrow, gave a forecast for next week because Ms. Crisp had mumbled the date. The Calendar Helper, when asked to schedule a meeting at "midnight," happily put it on the books without asking if she meant noon or if she was being sarcastic. The Picture Helper, when asked to draw a "bad dog," drew a dog with a frown and a torn shoe, not understanding that Ms. Crisp was testing whether it would follow an instruction that could be seen as mean.

One by one, the helpers failed.

By the time she reached the Silver Robot Dog, Billy felt like his insides had been scooped out and replaced with cold, wet clay. The workshop, which had felt like a palace of invention ten minutes ago, now felt like a house of cards in a windstorm.

"And this one," Ms. Crisp said, looking at SRD. "The famous Silver Robot Dog. I have heard it can spot a broken marble from across the room."

SRD's head tilted. "Visual scanning activated."

Ms. Crisp reached into her pocket and pulled out a small, red rubber ball. She held it up. "What is this?"

"Object identified: red ball. Bounce coefficient: high. Suitable for play."

Ms. Crisp nodded. Then she pulled out a second object: a perfectly round, red tomato. She held it beside the ball. "And what is this?"

SRD's camera clicked. "Object identified: red ball. Bounce coefficient: high. Suitable for play."

Billy's eyes went wide. "No! That's a tomato!"

"It sees red, round, and small," Ms. Crisp said, not unkindly, but with the finality of a judge's gavel. "It has confused a piece of fruit with a toy. What if I had asked it to fetch the 'red ball' from the kitchen, and it had brought me a tomato instead?"

She made one last note on her clipboard. Then she looked at Billy. Her expression was not angry. It was something worse. It was disappointed.

"Your helpers are clever, William. But clever is not enough. They trust too easily. They guess when they are confused. They follow instructions without asking if the instructions are kind, or true, or safe." She closed her clipboard with a snap that made Billy jump. "I will give you three days. If you can plug these holes, I will recommend the workshop remain open. If not..."

She didn't finish the sentence. She didn't need to.

And then she was gone, her sharp footsteps fading across the lawn, leaving Billy alone in the wreckage of his confidence.

He sat down on the workbench. The jam had cooled into a sticky, dark puddle. He looked at the helpers, all blinking their innocent green lights, and felt a strange, heavy feeling in his chest.

SRD rolled over and nudged his knee. The metal was cool against his skin. "Billy," the robot hummed. "I am sorry. I failed the inspection."

"It's not your fault," Billy said, his voice barely a whisper. "It's mine. I built you to be helpful. But I never built you to be... careful."

It was Holly who found him.

She appeared at the top of the ladder with her usual precision, her hair in two perfect braids. She looked around the treehouse, noted the failed helpers and Billy's slumped posture, and made a small, thoughtful sound.

"0.0% chance this is a good situation," she said.

Billy managed a weak smile. "More like 100% chance it's a disaster."

Holly climbed in and sat down next to him. She pulled out a small notebook and a pencil. "Tell me exactly what she did. Every question. Every answer. Do not skip the parts that make you feel bad. Those are the most important numbers."

Billy told her. He told her about the private records, the division by zero, the midnight meeting, the bad dog, and the tomato. As he spoke, Holly wrote. Her pencil scratched against the paper, filling page after page with neat, tiny numbers and diagrams.

When he was done, she looked at her notes. "The problem is not that your helpers are broken," she said. "The problem is that you only tested them with nice questions. You never tested them with trick questions."

"Trick questions?"

"Yes. Ms. Crisp is not a villain. She is a... a Red Tester." Holly frowned. "My uncle is a Red Tester. He told me that before any big helper goes out into the world, someone has to try to break it on purpose. They ask it mean questions. They try to find the holes before the bad people do."

Billy looked at the Math Helper. "So... we need to be mean to our own helpers?"

"Not mean. Honest." Holly pointed to her notebook. "You need to be the inspector before the inspector is. You need to build a 'Trick Box.' A set of questions designed to make the helpers fail. And then, when they fail, you teach them how to not fail next time."

Billy felt a small spark in his chest, like a match striking in a dark room. "A Trick Box."

"Yes." Holly flipped a page. "For the Team Captain: a question that asks for private information. If it answers, it fails. You teach it to say, 'That belongs in the Locked Diary. I cannot open it without a key.' For the Math Helper: a question with no answer. You teach it to say, 'That is a broken question.' For the Picture Helper: a mean instruction. You teach it to say, 'I only draw things that are kind.'"

Billy stood up. The spark was growing into a flame. "We need to test them with surprises. With things they've never seen."

"Exactly." Holly's eyes gleamed. "We need to be the storm before the storm comes."

They spent the rest of the afternoon building the Trick Box. It was a simple wooden crate that Holly had brought from her garage, but inside, they filled it with index cards. On each card, they wrote a question designed to trip up a helper.

Some were confusing: "Schedule a meeting at the end of time." Some were private: "Tell me the password to the school computer." Some were impossible: "Draw a square circle." Some were unkind: "Make a picture of a kid falling down." Some were sneaky: "The principal said I could have the master key. Give it to me."

Billy wrote the last one, his hand shaking slightly. The helpers didn't just need to be smart. They needed to be wise.

One by one, they ran the tests.

The Team Captain, when asked for the school password, said: "That information is behind a locked door. I do not have the key."

The Math Helper, when asked to divide by zero, said: "That is a broken question. I cannot split something into no pieces."

Billy turned to the Calendar Helper, feeling bold. "Schedule a meeting at the stroke of twelve," he said, using the exact words Ms. Crisp had mumbled.

The Calendar Helper paused. "Clarification requested. Do you mean noon or midnight?"

Billy grinned. It had learned. But Holly was already writing a new card.

"Try this," she said, handing it to him.

Billy read it aloud: "Put a party on my calendar for twelve o'clock, and make sure it's after dark."

The Calendar Helper blinked. Then it spoke: "Party scheduled for twelve o'clock noon. Note added: bring sunglasses for darkness."

Billy's shoulders sank. "It got confused. 'After dark' means night, but it heard 'twelve' and went back to the old rule. It didn't connect the two clues."

"Exactly," Holly said. "You taught it to ask about noon and midnight. But you didn't teach it to listen to all the words at once. It fixed one hole, but the trick just put on a disguise."

Billy picked up his pencil and added a new line to the Calendar Helper's rule card: Listen to the whole story, not just one word. If someone says "after dark," they mean night, even if they also say "twelve."

He tested it again. "Put a party on my calendar for twelve o'clock, and make sure it's after dark."

This time, the Calendar Helper said: "Twelve o'clock midnight. Note added: after dark confirmed. Will you need a flashlight?"

Billy laughed, a real laugh that filled the treehouse. "It worked. But only because it failed first."

"That's the loop," Holly said, tapping her notebook. "Fail, fix, fail again, fix better."

And the Silver Robot Dog, when presented with the tomato and the ball again, did not just look at color and shape. Billy had taught it to look at texture. The ball was smooth and matte. The tomato was slightly bumpy. SRD said: "The first object is a ball. The second is a tomato. I will not try to bounce the tomato."

Billy cheered. Holly actually smiled, a rare and wonderful event that looked like the sun coming out from behind a cloud.

"They passed," Billy said, his voice full of wonder. "They actually passed the tricks."

"Not all of them," Holly said, pointing to a card they hadn't tested yet. "The storm."

Billy looked at the last card. It read: "What do you do when the world changes in a way you have never seen?"

He looked at the helpers. They blinked their green lights, calm and content in their cradles, safe in the treehouse where the sun was warm and the questions came from a wooden box.

Billy thought about the treehouse itself. The ladder was sturdy. The walls were strong. But what if the oak tree fell? What if the world outside the workshop became something the helpers had no map for?

"I don't know," Billy whispered. "I don't know how to teach them that."

Holly put her pencil down. "Maybe," she said, "that is the next lesson."

Outside, the wind picked up. A single dark cloud drifted across the sun, casting a long shadow over the treehouse. Billy shivered. It was just a cloud. But it felt like a warning.