The dry wind arrived before anyone saw it.
Kelan noticed it in the water.
The cup in his hands had been filled from the lower terrace cistern. It tasted clean, but the mineral balance had shifted since the previous evening. The water no longer carried the soft green trace of the basin's wet season. It tasted of stone, dust, and the faint bitterness of roots holding themselves below the surface.
He took another drink and looked toward the eastern ridge.
The village had been built to make changes visible before they became emergencies. Shade screens shifted with the angle of the sun. Water moved through channels that could close themselves when a cistern dropped below reserve. Fungal threads beneath the walkways carried pressure changes through the soil. The system did not hide its work. It made ordinary life possible and then waited for someone to notice when ordinary life began requiring more effort.
Kelan set the cup down.
"The upper channel is losing pressure," he said.
Lysa was kneeling beside a drying rack, separating fever-bark strips by thickness. She did not look up. "Is that an observation or an invitation to spend the morning carrying things?"
"Both."
"Then I heard you."
She gathered the bark into a basket and stood. Her balance had improved over the last few weeks. She no longer reached for walls when she turned too quickly, though she still walked down slopes with the concentration of someone negotiating a private treaty with gravity.
The first cohort had learned to use their bodies by making mistakes in public. They had dropped tools, misjudged distances, spilled water, fallen asleep in uncomfortable positions, and discovered that hunger made every argument less impressive. The village had absorbed each failure without making it into a lesson. Someone brought food. Someone moved a sharp tool out of reach. Someone waited.
Kelan still did not know what to do with that kind of care.
In the simulation, a mistake had belonged to the whole system before the person who made it had finished experiencing embarrassment. Here, Lysa could watch him miss a gate setting and remember it for the rest of the day.
That was not always an improvement.
They climbed toward the upper channel. The morning air had already begun to lose its night coolness. The living roofs opened in slow increments above them, releasing trapped warmth without exposing the walkways to direct sun. Along the path, small pale growths clung to the stone, each one shaped like a curled finger. They opened when the air dried and folded again when the humidity returned.
Lysa touched one as she passed.
It closed around her fingertip, not tightly enough to hold her, but with enough pressure that she felt the response.
"Still strange," she said.
"It is a humidity valve."
"It has a face."
"That is not a face."
The growth opened again. Its inner surface showed a small arrangement of dark spots.
Lysa looked at him. "It has spots in the shape of a face."
Kelan kept walking.
The upper channel was not blocked. That would have been easier. A blockage had a location, a cause, and a repair. The flow had simply become uneven. Water arrived in a series of small pulses, each one slightly weaker than the last. The gardens below had not reached failure. The lower plants were drawing from stored moisture. The village had time.
Time made the problem harder to dismiss.
Kelan placed both hands on the main gate. The wood was warm beneath his palms. He could feel the channel's vibration through the stone, a faint irregular beat that his body would once have interpreted as data and nothing else.
His Lace responded to the attention.
Not with a voice. Not with a command.
The familiar interface opened around the question he had not yet finished forming.
BASELINE AVAILABLE.
STRUCTURE AVAILABLE.
RISK MODEL AVAILABLE.
Kelan withdrew his hands.
Lysa watched him. "What did it show?"
"Options."
"That is not what I asked."
He looked down at the channel. The first days after birth had left him unable to distinguish the Lace from the rest of the sensory assault. It had been part of the world for twenty subjective years, a background layer beneath lessons, weather, conversation, and sleep. In the village, it had gone quiet enough for him to notice how much he had relied on it.
"It offered a risk model," he said. "No instruction."
"Did it answer?"
"I have not asked."
Lysa leaned against the gate. "Then ask for the thing you need."
"That is what it was built for."
"No. It was built to answer whatever we asked it. Those are different."
The distinction irritated him because he understood it.
Kelan touched the Lace again, this time with the careful inward motion they had begun using when they wanted information without surrendering the decision that followed.
Show baseline structure for current water loss.
The channel opened through his senses.
Pressure appeared as weight in his wrists. The upper catchment became a shape of pale blue reserve. The western slope showed as a thin red line where dry air had entered the basin through a cut in the rock. It was not a leak in the channel. It was a change in the air above it, pulling more water upward from the exposed section before the gates could compensate.
The system did not tell him what to do.
It showed him what the water was already doing.
Kelan opened his eyes.
"The west screen is too slow," he said.
Lysa looked toward the ridge. "The screen is opening to release heat."
"It is releasing water with it."
They ran.
The western shade structure stood above the upper garden, its long living vanes spread toward the sky. The structure had been built to respond gradually so the plants below would not experience abrupt changes in light or temperature. Under the new dry wind, gradual had become insufficient.
Kelan reached the control root and placed his hand against it. The root flexed beneath his palm. The Lace gave him the same bounded options as before.
He did not ask for permission.
"Can we close it by six degrees without trapping heat?"
The answer arrived as a set of projected curves across the root's surface. The screen could close. The upper air would warm. The gardens would remain within tolerance if the eastern vents opened at the same time.
Lysa was already moving.
She climbed the side frame and reached for the eastern vent cord. Her fingers slipped once. The cord snapped against her wrist, leaving a red mark.
"I am fine," she said before Kelan could speak.
"I didn't ask."
"You were about to."
He shifted the western screen by six degrees. The living vanes folded inward, not like shutters, but like the wings of a large green creature settling against the wind. At the same moment, Lysa pulled the eastern vent open.
The pressure in the channel changed.
The upper cistern continued to drop for another minute. Then the pulse steadied. Water reached the side gardens in a continuous flow instead of arriving in nervous bursts.
Below them, the pale humidity valves opened and closed along the path. The village had responded to a question that had not been phrased as an order.
Lysa climbed down and rubbed her wrist. "That was useful," she said.
Kelan looked at the living screen. "It was waiting."
"For what?"
"For us to understand what we were asking."
The Lace remained open around him, quiet and patient. He could have pushed farther. He could have asked what had created the basin, who had selected its constraints, or why the elders seemed to know what their bodies needed before the cohort did.
He didn't ask.
The village had given them water, shelter, food, tools, and room to become frightened without being watched for a conclusion. The Lace could provide structure. It could not decide what they were willing to know.
By midday, the dry wind had become the day's main work.
They adjusted screens, shifted water reserves, moved the drying racks under deeper shade, and carried additional clay jars to the upper houses. The chores spread through the village without an announcement. People saw the altered vanes and copied the response. Someone marked the western path with a strip of blue fiber. Someone else added a warning pattern to the story-sticks used near the water terraces.
The interface did not make the work disappear.
It made the work legible.
Near sunset, Kelan found a blank maintenance slate beside the lower gate. He sat on the stone edge and wrote the day's figures by hand: wind direction, screen adjustment, cistern loss, recovery time, and the point at which the eastern vent had been opened.
Lysa read over his shoulder. "You forgot the wrist injury."
"It does not affect water."
"It affected your ability to pull the cord."
He added it.
The Lace offered to attach the record to the village response layer. Kelan accepted the connection but not the interpretation. The information would be available to Ancient through the alignment they were building. The decision about what the pattern meant would remain theirs.
Across the village, the elders moved through the evening work. They carried baskets, checked the channels, and sat with the newer children who had not yet learned how quickly dry air could change a body. They did not praise the cohort for finding the answer. They did not explain what the interface had been waiting for.
The next morning, the wind would change again.
The screen would need another adjustment. The water would find another weakness. The village would ask a better question or make a worse choice and learn from the result.
That was not failure.
It was the first time the system had belonged to them for a whole day.